Body planes and cavities
Do now
Identify the body planes and major cavities and the organs each contains.
- Hand in
- Labeled body-planes and body-cavities diagram with at least one organ placed in each major cavity.
- 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.
A radiology report says a mass sits 'in the ventral , best seen on the plane.' Which organs are in play, and what slice of the body would actually show it?
Identify the body planes and major cavities and the organs each contains.
- • You can name the plane that produces a given body section.
- • You can place a major organ in its correct .
- If you slice an apple straight down the middle into a left half and a right half, what everyday word describes that cut?
- Point to where you think your heart and lungs live: are they in the front of your torso or the back?
- 1Read the notes on the , (coronal), and planes.
- 2Label the dorsal and ventral cavities and their subdivisions on a diagram.
- 3Complete the PLTW online task matching organs to their cavities.
- 4List which plane you would use to separate left from right, front from back, and top from bottom.
- 5Submit your labeled planes-and-cavities diagram.
What did this day actually feel like?
Body planes and cavities
Sagittal, frontal, transverse. Then the dorsal and ventral cavities and what lives in each.
The reason this matters is imaging. Every scan is a slice along one of those planes, so if you cannot name the plane you cannot say where you are looking. I labeled a diagram and placed one organ in each major cavity.
Turned in: planes and cavities diagram → Lab Notebooks 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 same day, drawn.
Sagittal, frontal, transverse. Then the dorsal and ventral cavities and what lives in each.
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
🔑 Today's words · 5
Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: Radiologists and surgeons name every location by plane and so that any reader locates the exact same spot with no ambiguity, because a shared code removes guesswork from a report.
- 0-8Intro: connect planes to real imaging (CT/MRI examples)
- 8-25Notes: three planes and dorsal/ventral subdivisions
- 25-45PLTW online task: match organs to cavities
- 45-62Label planes-and-cavities diagram with organ examples
- 62-75Partner check: quiz each other on plane and names
- 75-80Submit diagram; preview Wednesday types
- • Yesterday we argued about who owns a medical image. Today we learn how to read one.
- • Every CT scan slice is a plane cut. Every MRI showing the spine is a cut. You cannot understand imaging without knowing your planes.
- • We are also going to learn which organs live in which body . That matters for understanding where pain originates and where infections spread.
- • Your diagram today is the reference you will use every time we analyze a patient case this unit.
- • The three anatomical planes: (left/right), /coronal (front/back), and (top/bottom).
- • The dorsal contains the cranial and spinal cavities; the ventral cavity contains the thoracic and abdominopelvic cavities.
- • Radiologists and surgeons use plane and language in every report to locate pathology without ambiguity.
Unit 1.1 Beginning with Bones: Patient rehabilitation context, regional/directional terms, body cavities/planes, tissue structure. · Body planes and cavities
Day 2 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Work through the Lesson 1.1 Beginning with Bones organ-and- matching task in myPLTW; complete all matching items during the work window.
Mark the organ- matching task complete before submitting your labeled planes-and-cavities diagram.
Introductory task is done from Monday; the organ- task should be checked off by end of today.
myPLTW completion status shown on progress bar.
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.
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.
Unit 1.1 Beginning with Bones: Patient rehabilitation context, regional/directional terms, body cavities/planes, tissue structure. · Body planes and cavities
Work through the Lesson 1.1 Beginning with Bones organ-and- matching task in myPLTW; complete all matching items during the work window.
Introductory task is done from Monday; the organ- task should be checked off by end of today.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Identify the body planes and major cavities and the organs each contains.
- Read the notes on the , (coronal), and planes.
- Label the dorsal and ventral cavities and their subdivisions on a diagram.
- Complete the PLTW online task matching organs to their cavities.
- List which plane you would use to separate left from right, front from back, and top from bottom.
- Submit your labeled planes-and-cavities diagram.
Notebook check: Labeled body-planes and body-cavities diagram with at least one organ placed in each major .
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.
| Task | Who |
|---|---|
| Read the notes on the , (coronal), and planes. | _______ |
| Label the dorsal and ventral cavities and their subdivisions on a diagram. | _______ |
| Complete the PLTW online task matching organs to their cavities. | _______ |
| List which plane you would use to separate left from right, front from back, and top from bottom. | _______ |
| Submit your labeled planes-and-cavities diagram. | _______ |
Working solo? Put your own name in "Who" for every row.
- You can name the plane that produces a given body section.
- You can place a major organ in its correct .
- 1Do thisIdentify the body planes and major cavities and the organs each contains.
- 2Use this resource
- 3Submit thisNotebook check: Labeled body-planes and body-cavities diagram with at least one organ placed in each major cavity.
- 4Submit it here
- 1Open the drop folder.
- 2Sign in with your district Microsoft account, not a personal one.
- 3Upload the file, named Lastname_Firstname__Assignment Title.
- 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. Human Anatomy & Physiology (Human Body Systems) › Unit 1.1 Beginning with Bones: Patient rehabilitation context, regional/directional terms, body cavities/planes, tissue structure. › Notebook checkOpen the drop folder
Learn it · deck, reading, and vocabulary▸
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.
Medical images can point back to one specific person, so using them to teach is always a trade between educational benefit and that person's right to privacy, never a purely technical decision.
Radiologists and surgeons name every location by plane and so that any reader locates the exact same spot with no ambiguity, because a shared code removes guesswork from a report.
A mechanic studies a tool whose shape allows one job but limits another.
- Which feature makes the tool work?
- What changes if that feature bends or breaks?
- Which observation shows function rather than appearance?
Structure creates possibilities and limits for function.
Living tissues adapt and interact with other systems; a metal tool does not.
- • Tool shape maps to .
- • The job maps to physiological function.
- • Damage maps to a predicted functional change.
Driving question: A radiology report says a mass sits 'in the ventral , best seen on the plane.' Which organs are in play, and what slice of the body would actually show it?
What you already know: Medical images can point back to one specific person, so using them to teach is always a trade between educational benefit and that person's right to privacy, never a purely technical decision.
New idea: Radiologists and surgeons name every location by plane and so that any reader locates the exact same spot with no ambiguity, because a shared code removes guesswork from a report.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Body planes and cavities. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled structure, movement, or system relationship that connects form to function.
- Observe or measure the relevant feature in Body planes and cavities.
- Organize the observation with a stable evidence ID.
- Apply this rule: Structure creates possibilities and limits for function.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: A radiology report says a mass sits 'in the ventral , best seen on the plane.' Which organs are in play, and what slice of the body would actually show it?
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.
- • : Describing an anatomical plane or cut that divides the body into left and right parts, running front to back.
- • : An anatomical plane or direction at the front of the body, including the of the forehead and the plane dividing front from back.
- • : An anatomical plane that runs horizontally across the body, dividing it into upper and lower sections.
- • : A hollow space inside the body that holds and protects organs, such as the chest around the heart and lungs.
- • : A group of similar cells working together to perform a shared function, such as muscle, nerve, or .
- • : Relating to the sheets of tightly packed cells that line and cover body surfaces, organs, and cavities and form protective barriers.
- • : A type that supports, binds, and protects other tissues and organs, including bone, , , fat, and blood.
- • : A firm but flexible that cushions joints, shapes the nose and ears, and acts as a smooth surface where bones meet.
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.
The three anatomical planes: (left/right), /coronal (front/back), and (top/bottom).
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
Radiologists and surgeons name every location by plane and so that any reader locates the exact same spot with no ambiguity, because a shared code removes guesswork from a report.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
You can name the plane that produces a given body section.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-HAP-2027-02-05 · Simulated classroom evidence scenario
Your role: anatomy and physiology consultant
Decision: Your team must decide what the evidence from Body planes and cavities supports before submitting the notebook record 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 notebook record.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Body planes and cavities. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
Reason for review: Your team must decide what the evidence from Body planes and cavities supports before submitting the notebook record named on the lesson page.
Context: has a shared coordinate language (planes and cavities) so that a surgeon, a radiologist, and a student can name any location in the body without ambiguity, no matter who is reading the report.
- • T1: Read the notes on the , (coronal), and planes.
- • T2: Label the dorsal and ventral cavities and their subdivisions on a diagram.
- • T3: Complete the PLTW online task matching organs to their cavities.
- • T4: List which plane you would use to separate left from right, front from back, and top from bottom.
- • T5: Submit your labeled planes-and-cavities diagram.
- • E1: The three anatomical planes: (left/right), /coronal (front/back), and (top/bottom).
- • E2: Radiologists and surgeons name every location by plane and so that any reader locates the exact same spot with no ambiguity, because a shared code removes guesswork from a report.
- • E3: You can name the plane that produces a given body section.
Measurements: Use only the measurements, units, graph, or counts supplied in today's task. No additional patient measurement is implied.
Figure finding: Teaching diagram for Body planes and cavities. Trace the labeled structure, movement, or system relationship that connects form to function. 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.
Mean = sum of values / number of values. Median = middle ordered value. Range = maximum - minimum.
For 2, 4, 4, and 10: mean = 20 / 4 = 5, median = 4, and range = 10 - 2 = 8.
Mean, median, and range keep the measurement unit. Order the values before finding the median.
Calculate the requested summary for today's supplied values, then write what it reveals and what it hides.
Students often think Students think the dorsal (back) and ventral (front) cavity split the body into a simple back-half and front-half, each holding whatever is near it.. The trap: That is the trap: the dorsal is small and specific (only the brain in the cranial cavity and the spinal cord in the spinal cavity), while nearly all the big organs (heart, lungs, stomach, intestines) sit in the ventral cavity, so 'back' does not mean 'everything behind the middle.'
Planes (labeled on the figure):
- Sagittal plane: divides the body into left and right.
- Frontal (coronal) plane: divides the body into anterior (front) and posterior (back).
- Transverse plane: divides the body into superior (top) and inferior (bottom).
Cavities (labeled with one organ each):
- Dorsal cavity: cranial cavity holds the brain; spinal cavity holds the spinal cord.
- Ventral cavity: thoracic cavity holds the heart and lungs; abdominopelvic cavity holds the stomach, intestines, and bladder.
Quick reference I wrote on the page:
- Separate left from right: sagittal plane.
- Separate front from back: frontal (coronal) plane.
- Separate top from bottom: transverse plane.
| Cavity | Subdivision | Example organ |
|---|---|---|
| Dorsal | Cranial | Brain |
| Dorsal | Spinal | Spinal cord |
| Ventral | Thoracic | Heart, lungs |
| Ventral | Abdominopelvic | Stomach, intestines |
This model shows the level of evidence and organization needed to complete: A dated, labeled diagram identifying the three anatomical planes and the major body cavities, with at least one organ placed in each major cavity.
- Date and label the entry.
- Record the procedure, observation, or design decision clearly.
- End with what the evidence means and the next step.
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: Submit a photo of your completed, dated notebook diagram.
- 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.
Tap the speaker to hear a term. Add two of these to your notebook glossary with a definition and an example in your own words.
Pick just 2 or 3 words from today and make them yours: write what each one means in your own words, name the context clue or evidence that helped, then give one example from what you actually did in Body planes and cavities. Try your own words first; the glossary is there if you get stuck. This is voluntary and counts as extra credit, so keep it short.
Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.
Hand-picked readings, videos, and interactives for this lesson, all free and from authoritative open organizations (NIH, CDC, OpenStax, Khan Academy, PhET, HHMI, and more).
A fillable, Cornell-style notebook for Unit 1: Road to Rehabilitation. Type your notes, cues, and summaries right in the PDF, or print it and write by hand. Each lesson page has a cue column, a notes column, and a summary box, plus dated lab-record pages you can turn in.
HBS Unit 1 notebook: Road to Rehabilitation Fillable PDFCornell notes + lab recordsOpenVetted readings and references for this unit. Use them to prepare, to catch up if you were absent, or to go deeper on today's target.
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 Body planes and cavities. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
A surgeon needs to reach the stomach. Which major cavity does it lie in, dorsal or ventral, and name the subdivision.
Write an answer and pick a confidence to unlock the key.
Fast retrieval with instant answers, not the commit-then-reveal check above. Try each from memory first: write what you remember about the earlier units, then check yourself here.
Go further and get help▸
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.
The that become most of the bone and of the face.
Goes with: The cells that build the face
The master switch: how a cell decides to become bone rather than something else.
Goes with: The master switch: how a cell chooses its fate
How a seam disappears: EMT and let palatal shelves fuse.
Goes with: When palatal shelves meet: the seam must disappear
Today is individual work you can do from home: complete the same target above, then submit your Notebook check.
Open the drop folderTurn 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.
Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
Khan Academy: Introduction to the Human Body- CompleteEvery required part of the artifact is present, nothing left blank.
- AccurateThe science and the data are correct and match the evidence.
- Scientific reasoningYou explain your claim with evidence and reasoning (CER), not just an answer.
- Professional communicationClear, organized, labeled, and written the way a clinician or scientist would.
- SubmittedTurned 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.