Mon, Dec 14, 2026Fall (Semester 1) · Week 17Day 73 of 7780-min blockCalendar fit

Xenotransplantation and bionics

Essential question: What must we understand about Xenotransplantation and bionics to act on it?Enduring understanding: Reasoning from evidence about Xenotransplantation and bionics is how a clinician moves from an observation to a decision.

Safety gate · before any work

  • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
  • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.

Do now

Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

DueTonight, 11:29 PM
Hand in
Three-column comparison table for xenotransplantation, bionic devices, and prosthetics: advantage, limitation, and rejection/failure-mode row, with one patient-scenario note per option.
Where
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

You get two school days for every day you were absent, so this deadline moves with you.

Where you are · this course
Building Better Bodies: Tissue Engineering and Beyond Xenotransplantation and bionics ▸ Day 3
Day 73 of 77 this semester4 left before WebXam
🧬 Where you are · PLTW
Open this unit's activity in myPLTW (find it in Clever, Microsoft sign-in).
Today's driving question

Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

Today you'll be able to

Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

You've got it when
  • You'll be able to compare xeno, bionic, and prosthetic options.
  • You'll be able to explain a key limitation of each approach.
Due today · Data table RequiredThree-column comparison table for xenotransplantation, bionic devices, and prosthetics: advantage, limitation, and /failure-mode row, with one patient-scenario note per option.
Do-Now · start these with your notes closed
  1. What do you already know about Xenotransplantation and bionics?
  2. What would you need to find out to answer today's question?
Do this · step by step
numbered so we can always find our place
  1. 1Read the replacement-options notes in the PLTW course shell and define xenotransplantation.
  2. 2Compare animal organs, bionic devices, and prosthetics in a three-column table.
  3. 3List one advantage and one limitation for each option.
  4. 4Explain why or rejection-like failure matters for each.
  5. 5Add your replacement-options comparison to your Unit 4 PLTW tracker evidence.
Interrupted or lost? If you were interrupted, reread the last line you wrote, then answer: which step am I on, and did I finish it? Start again from that step.
Optional project open: 072130 Molecular Lab Review - solo or group, about 1.5 to 2 hours total. Due by Fri, Jan 15, 2027. Great WebXam prep.
The story

What did this day actually feel like?

Xenotransplantation and bionics

LAB Animal organs and mechanical replacement as two different answers to the same shortage, with different failure modes and different ethics.

Turned in: data table → Data Tables folder

Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.

The comic

The same day, drawn.

Drawing, panel 99: Xenotransplantation and bionics.

Animal organs and mechanical replacement as two different answers to the same shortage, with different failure modes and different ethics.

Panel 99Xenotransplantation and bionics · 2026-12-14
Read week 21, 5 panels

Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.

🛠 Get unstuck · pick your level

Run the lab
Work the posted parallel example, reasoning shown, then start your own case.
Absent? Async catch-up
Stuck? Name where your thinking split from the example, then redo just that step.

Lab day: Tier 1 is the whole class at the bench. No extension today.

Today's study notebook
When an organ fails: transplants, the fair waiting list, why the body can reject a new organ, and growing replacement tissue in the lab.
Open the notebook
Watch first: today's 1-minute intro
Video overview
Where this fits
Tested on (Ohio WebXam)
Genetics of Disease · 072130
PLTW lesson
MI · Xenotransplantation and bionics
WebXam domain
Bio-Molecular Technology
Evidence to produce
Data table
Do the work · 80-minute blockfirst 5 min = hook

💡 Big idea: No single replacement strategy wins; the best choice depends on which limitations are most acceptable for a specific patient.

  1. 0-10Read notes; define xenotransplantation
  2. 10-30Build three-column table (xeno, bionic, prosthetic) with advantage and limitation
  3. 30-48Add /failure-mode row to each column
  4. 48-62Identify one patient scenario where each option is best or worst
  5. 62-72Add table to PLTW tracker
  6. 72-80Class debrief: which option had the least acceptable limitation
Mr. Mendoza's 5-minute intro
  • Today you compare three very different answers to the same question: how do we replace a failing organ?
  • Each answer has real patients using it right now, and each has real failure modes.
  • Your three-column table will be the evidence base for Friday's design critique.
  • Comparison tables and option analysis appear in the Biotech Research domain of the WebXam.
Know by the end
  • Xenotransplantation requires genetic modification of donor animals to reduce human immune .
  • Bionic and prosthetic devices bypass biological but may not fully integrate or adapt to the body.
  • Long-term outcomes data for xenotransplantation and bionics are still being gathered in clinical trials.
Open this PLTW section today

Building Better Bodies: Tissue Engineering and Beyond · Xenotransplantation and bionics

Day 3 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.

Do this: Open Activity 4.4.2 The Bionic Human Design in myPLTW and compare xenotransplantation, bionic devices, and prosthetics in a three-column table.

Complete

Mark the replacement-options entry complete and attach your three-column comparison table.

How far to get

Scaffold diagram should be done (Tuesday); replacement-options comparison table due today.

Upload as evidence

Three-column comparison table with advantage, limitation, and failure-mode rows submitted to the tracker.

The official PLTW activity stays inside myPLTW. If myPLTW will not open, use F1 and E1-E3 on this page to complete today's local evidence decision, then make up the official activity when access returns. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

Today's PLTW tracker · fill in and submit

Check things off as you work, then submit. This tells Mr. Mendoza how you're doing so he can help the class. It does not replace turning in your producible through the submission route shown below.

Use the code Mr. Mendoza gave you, not your name. Saved on this device.

Building Better Bodies: Tissue Engineering and BeyondDay 3 of this project
Today's PLTW target

Building Better Bodies: Tissue Engineering and Beyond · Xenotransplantation and bionics

Open Activity 4.4.2 The Bionic Human Design in myPLTW and compare xenotransplantation, bionic devices, and prosthetics in a three-column table.

Scaffold diagram should be done (Tuesday); replacement-options comparison table due today.

This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.

1 · What you do today

🎯 Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

  • Read the replacement-options notes in the PLTW course shell and define xenotransplantation.
  • Compare animal organs, bionic devices, and prosthetics in a three-column table.
  • List one advantage and one limitation for each option.
  • Explain why or rejection-like failure matters for each.
  • Add your replacement-options comparison to your Unit 4 PLTW tracker evidence.
2 · What you turn in

Data table: Three-column comparison table for xenotransplantation, bionic devices, and prosthetics: advantage, limitation, and /failure-mode row, with one patient-scenario note per option.

Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Use the checklist just below and upload by 11:29 PM for full credit. Absent with an excused absence? You get two school days for every day you were absent, so this deadline moves with you.

3 · Who's doing what (team)
TaskWho
Read the replacement-options notes in the PLTW course shell and define xenotransplantation._______
Compare animal organs, bionic devices, and prosthetics in a three-column table._______
List one advantage and one limitation for each option._______
Explain why or rejection-like failure matters for each._______
Add your replacement-options comparison to your Unit 4 PLTW tracker evidence._______

Working solo? Put your own name in "Who" for every row.

5 · I'm successful today when I can…
  • You'll be able to compare xeno, bionic, and prosthetic options.
  • You'll be able to explain a key limitation of each approach.
6 · Reflection & next steps
Where are you today?0/7 checked
Pick your period and code first.
Your 4 steps today
  1. 1
    Do this
    Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.
  2. 2
  3. 3
    Submit this
    Data table: Three-column comparison table for xenotransplantation, bionic devices, and prosthetics: advantage, limitation, and rejection/failure-mode row, with one patient-scenario note per option.
  4. 4
    Submit it here
    1. 1Open the drop folder.
    2. 2Sign in with your district Microsoft account, not a personal one.
    3. 3Upload the file, named Lastname_Firstname__Assignment Title.
    4. 4Your own upload panel says Uploaded with a green check: that is your receipt.
    Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Genetics of Disease (Medical Interventions) › Building Better Bodies: Tissue Engineering and Beyond › Data table
    Open the drop folder
Were you absent? Jump to the make-up plan
Learn it · deck, reading, and vocabulary
Socratic teaching slide deck

The deck carries the prior idea forward, lets you inspect an analogy, maps the rule to biology, and ends with the same evidence decision and exit ticket used on this page.

Generated from this lesson's canonical data with a red-team citation check.

Carry forward

Emerging biomedical technologies offer solutions to donor scarcity but introduce new ethical and questions that society must answer together.

Daily take-home

No single replacement strategy wins; the best choice depends on which limitations are most acceptable for a specific patient.

Inspect the analogy

An airport checkpoint uses several imperfect checks before deciding what action to take.

  1. What can each check detect?
  2. What might create a false alarm?
  3. Why is one result not always enough?
Rule

A decision is stronger when the test fits the question and its limits are known.

Where it breaks

Medical decisions also depend on biology, patient context, ethics, and professional judgment.

Map the analogy to biology
  • Checkpoint evidence maps to E1-E3.
  • False alarms map to test limitations.
  • The response maps to the justified next intervention or test.
Read this first

Driving question: Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

What you already know: Emerging biomedical technologies offer solutions to donor scarcity but introduce new ethical and questions that society must answer together.

New idea: No single replacement strategy wins; the best choice depends on which limitations are most acceptable for a specific patient.

Visual or model: F1. F1. A lesson illustration or teaching diagram for Xenotransplantation and bionics. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision.

  1. Observe or measure the relevant feature in Xenotransplantation and bionics.
  2. Organize the observation with a stable evidence ID.
  3. Apply this rule: A decision is stronger when the test fits the question and its limits are known.
  4. Choose the option the evidence supports and state the limit of the conclusion.

Real biomedical example: Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

What the evidence supports: E1-E3 and F1 support the daily take-home when the response meets the stated success criteria.

What it cannot prove: The package does not support claims beyond this lesson's or any real patient diagnosis.

Use it now: Choose one decision option. Cite E1 and E3, then explain how the rule connects the evidence to your choice.

Go further, optional: The source links below are optional enrichment. Every fact required for today's local evidence decision appears in this lesson package.

Evidence set and decision
E1 · Observation

Xenotransplantation requires genetic modification of donor animals to reduce human immune .

Limit: E1 supplies context or an observation; it does not by itself establish the explanation.

E2 · Mechanism

No single replacement strategy wins; the best choice depends on which limitations are most acceptable for a specific patient.

Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.

E3 · Result

You'll be able to compare xeno, bionic, and prosthetic options.

Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.

PLTW-GEND-2026-12-14 · Simulated classroom evidence scenario

Your role: medical interventions team member

Decision: Your team must decide what the evidence from Xenotransplantation and bionics supports before submitting the labeled and result claim named on the lesson page.

  • Select the option best supported by E1-E3.
  • Select a reasonable alternative and name the evidence it would require.
  • Delay the claim because the evidence does not distinguish the options.

Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the labeled and result claim.

Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Xenotransplantation and bionics. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.

Composite case file · PLTW-GEND-2026-12-14

Reason for review: Your team must decide what the evidence from Xenotransplantation and bionics supports before submitting the labeled and result claim named on the lesson page.

Context: Compare xenotransplantation, bionic devices, and prosthetics as ways to replace lost function.

Timeline:
  • T1: Read the replacement-options notes in the PLTW course shell and define xenotransplantation.
  • T2: Compare animal organs, bionic devices, and prosthetics in a three-column table.
  • T3: List one advantage and one limitation for each option.
  • T4: Explain why or rejection-like failure matters for each.
  • T5: Add your replacement-options comparison to your Unit 4 PLTW tracker evidence.
Evidence records:
  • E1: Xenotransplantation requires genetic modification of donor animals to reduce human immune .
  • E2: No single replacement strategy wins; the best choice depends on which limitations are most acceptable for a specific patient.
  • E3: You'll be able to compare xeno, bionic, and prosthetic options.

Measurements: No patient measurement is supplied unless it appears explicitly in E1-E3 or F1. Do not invent a value.

Figure finding: Teaching diagram for Xenotransplantation and bionics. Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision. This is a teaching model, not patient or experimental data.

Uncertainty: This is a composite classroom scenario. Missing history, measurements, or confirmation tests remain unknown and limit the conclusion.

Design record
Criteria
  • The solution must address the stated need in Xenotransplantation and bionics.
  • The decision must be supported by E1-E3.
  • The final product must make the success criteria visible.
Constraints
  • Complete the work inside the 80-minute block.
  • Use only supplied or teacher-approved materials and evidence.
  • Do not trade , accessibility, or privacy for speed.
Tradeoff weights
  • and evidence quality: must pass before scoring other criteria.
  • User need and effectiveness: highest scored criterion.
  • Time, cost, and ease of use: compare only after and effectiveness pass.

Test evidence: For each option, record the E1-E3 result that supports or fails each criterion. Do not assign a score without a named observation.

Iteration log
  1. Version or option tested
  2. Criterion met or missed
  3. Evidence ID and result
  4. Revision made
  5. Reason for the revision
Decision record
  1. Need and user
  2. Criteria and constraints
  3. Chosen option and evidence
  4. Test result
  5. Revision and reason
Worked example · a parallel case (guides, does not reveal)
Replacement-options comparison table
Completes: Build a three-column table comparing animal-organ transplants, bionic devices, and prosthetics on an advantage, a limitation, and how each can fail like a rejection.

Compare three ways to replace lost function.

  • Xenotransplantation (animal organ): Advantage: a living organ can do full biological work, such as filtering blood. Limitation: the human immune system attacks non-human tissue hard, so strong anti-rejection drugs are required. Failure mode: rejection, the immune system destroys the transplanted organ.
  • Bionic device (for example, a cochlear implant or bionic eye): Advantage: does not trigger immune rejection because it is not living tissue. Limitation: needs power, electronics can fail, and it interfaces imperfectly with nerves. Failure mode: rejection-like failure is scar tissue or infection forming around the implant and blocking the signal.
  • Prosthetic (external limb): Advantage: no surgery inside the body and easy to repair or replace. Limitation: replaces movement but not sensation or living function. Failure mode: rejection-like failure is skin breakdown and pressure sores where the socket meets the body.

Patient note: For a patient who needs kidney function, only the xenotransplant restores the biological job; a bionic or prosthetic cannot filter blood.

(Tip: for the non-living options, describe the 'rejection-like' failure as the body walling off or breaking down at the device, not true immune rejection.)

Why this matters

This model shows the level of evidence and organization needed to complete: Build a three-column table comparing animal-organ transplants, bionic devices, and prosthetics on an advantage, a limitation, and how each can fail like a rejection.

Build yours step by step
  1. Name the variables and include units.
  2. Enter observations without changing the raw values.
  3. Check labels, calculations, and patterns before interpreting the data.
Change it for a new task

Keep the structure. Replace the question, facts, measurements, and evidence. Then recheck units, vocabulary, and whether the conclusion goes beyond the evidence.

Also due today: turn it in on the class site under today's replacement-options comparison assignment.

See the full worked example
Portal terms
CER:
Claim, Evidence, Reasoning: make a claim, back it with evidence, explain your reasoning.
SOP:
Standard Operating Procedure, the exact steps to follow (especially in a lab).
Tracker:
Your PLTW progress log where you record completed evidence.
myPLTW:
The PLTW course site where you do the online activities. Find it in Clever with your Microsoft sign-in, right next to Schoology.
Teacher-posted resources

Classroom documents for this lesson are posted in Schoology. Open Clever, then Schoology, and find each one by the name shown on its card.

Extension / challengeFor: Ready to go deeper
MI 4.4.1 Replacement Parts Activity
worksheet/handoutPosted in Schoology
Open in Schoology

Use this for optional reserve or extra-credit work after the required class lesson is complete.

Placement rationale

Matched and emerging interventions by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.4_Building-a-Better-Body; keywords:tissue engineering, xenotransplantation. Score 146. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Extension / challengeFor: Ready to go deeper
MI 4.4 Building a Better Body Key Terms
worksheet/handoutPosted in Schoology
Open in Schoology

Use this for optional reserve or extra-credit work after the required class lesson is complete.

Placement rationale

Matched and emerging interventions by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.4_Building-a-Better-Body; keywords:tissue engineering, xenotransplantation. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Extension / challengeFor: Ready to go deeper
MI Activity 4.4.1 Replacement Parts (Xenotransplantation)
worksheet/handoutPosted in Schoology
Open in Schoology

Use this for optional reserve or extra-credit work after the required class lesson is complete.

Placement rationale

Matched and emerging interventions by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.4_Building-a-Better-Body; keywords:tissue engineering, xenotransplantation. Score 134. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

How to get there: open Clever and sign in with your Microsoft (district) account. Both myPLTW and Schoology are in Clever. Do the activity in myPLTW. Turn the work in on this site or hand it to Mr. Mendoza, because that is the step that counts as submitted. Schoology only shows your report-card grade later.

Check yourself · commit, then reveal

Claim ceiling for this check: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Xenotransplantation and bionics. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.

WebXam-style practice
Tap an answer to check it · nothing is recorded or graded
Xenotransplantation is best defined as
Bionics, such as the myoelectric arm, is best described as
Which technologies are currently used only in limited ways but hold promise for engineering replacement organs in the future?
A myoelectric arm restores movement to an amputee by
Go further and get help
Lab · prepare, conduct, complete
1Prepare
Pre-lab pass · clear all six to go to the bench
0/6

I can name the procedure's purpose and the evidence I will record. I can identify each named hazard and the control that reduces it: Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start. My data table is ready before materials are handled.

Finish the checklist before you handle any material.

Safety · specific to today's hazards
  • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
  • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.
Review Lab Safety (rules, PPE, SDS, emergencies) and check your contract + test
2Conduct (Argument-Driven Inquiry)
  1. 1Before materials are handled, identify the purpose, variables or comparison, controls, measurement units, and stop-work condition.
  2. 2Read the replacement-options notes in the PLTW course shell and define xenotransplantation.
  3. 3Compare animal organs, bionic devices, and prosthetics in a three-column table.
  4. 4List one advantage and one limitation for each option.
  5. 5Explain why rejection or rejection-like failure matters for each.
  6. 6Add your replacement-options comparison to your Unit 4 PLTW tracker evidence.
  7. 7Record each result in the prepared table before interpreting it. Mark missing, repeated, or invalid results truthfully.
  8. 8Complete the named cleanup and waste route, remove PPE safely, wash hands when required, and confirm the station is ready for the next group.
Prepare this data table before materials are handled
Trial or sample IDIndependent conditionMeasured result with unitsObservation before interpretationQuality-control note
     
     
     
3Complete
Argue from your evidence, then compare what you predicted to what happened. Error analysis names a specific method limit, never "human error".
You predicted

Before the procedure, predict the result and cite the rule behind the prediction.

What actually happened

After the procedure, compare the result with the prediction and name one limitation or source of uncertainty.

Your lab report is graded on the rubric below, with extra weight on error analysis and method.
Where this leads: careers

What today's skills lead to. These are real health-science careers this course builds toward. Tap one to see, on the US Department of Labor's O*NET site, what the job actually involves, what it pays, and how fast it is growing.

What to do if you were absent
If YOU are absent

Today is individual work you can do from home: complete the same target above, then submit your Data table.

Open the drop folder

Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

If MR. MENDOZA is absent

Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:

MedlinePlus: Stem cells
Optional extra credit (async)

You've passed Unit 2, so the optional extra-credit track is open. Complete reserved-unit work from home, including virtual labs, for extra credit. Each item shows its correct submission route.

Open the extra-credit track
How this is graded
For: Data table: Three-column comparison table for xenotransplantation, bionic devices, and prosthetics: advantage, limitation, and rejection/failure-mode row, with one patient-scenario note per option.
  • Complete
    Every required part of the artifact is present, nothing left blank.
  • Accurate
    The science and the data are correct and match the evidence.
  • Scientific reasoning
    You explain your claim with evidence and reasoning (CER), not just an answer.
  • Professional communication
    Clear, organized, labeled, and written the way a clinician or scientist would.
  • Submitted
    Turned in the right way, on the class site or handed to Mr. Mendoza in class, and confirmed. Not in Schoology: that is where the report-card grade appears later.
  • Error analysis and method · counts double
    Name a specific limit of the method and how it moved your result, and compare what you predicted to what happened. "Human error" does not count; say what about the procedure or instrument caused it.