Clue 1: Orient yourself
Which surfaces create two separate spaces?
Use the labels and the picture's left-to-right, near-to-far, or before-and-after order. Name only what you can point to.
The question
Which surfaces create two separate spaces?
Why it matters: Structure affects feeding, breathing, hearing, speech, teeth, and surgical planning. Care teams need to connect the exact structure to the function a child is using every day. Today you practice the professional reasoning behind that work: Anatomy becomes useful when each structure is tied to the job it performs.
On your WebXam
Identifying the parts of the palate and the wall they form
For life
Having a gene is not the same as using it.
Principle: Having it is not using it
Five principles we return to
Having it is not using it
Same instructions, different switches
Same look, different cause
Change one thing and watch
Boss or doorman?
Decides the result or only allows it
Held down, not gone
Remove the brake and it returns
Many roads, one ending
One result can begin many ways
Try the everyday version first
A two-room house needs a complete ceiling and floor
A barrier between two rooms keeps air, sound, and objects in their intended space. Rigid and movable parts can work together to complete that boundary.
Do not jump to the biology yet. Treat the picture as a small system. Track its parts, follow one change at a time, and keep more than one explanation open until the picture supplies a way to separate them.
Clue 2: Trace one change
What changes if the barrier has a gap?
Follow one object, stage, or path. Point to the first place where the situation changes instead of jumping to the ending.
Clue 3: Keep the cause open
Which part must stay rigid and which part must move?
List more than one explanation that still fits. Name the extra observation that would help you separate those possibilities.
Now inspect the illustration
Work from the visible evidence. A useful answer names the part of the picture that supports it and leaves unknown causes open.
- 1Which surfaces create two separate spaces?
- 2What changes if the barrier has a gap?
- 3Which part must stay rigid and which part must move?
Tier 1 check
Finish with the everyday model
Use the everyday picture to answer today's question in plain words: Which surfaces create two separate spaces?
You can complete today's required check without opening the technical details below.
Ready for the real names? Optional tier 2
Technical rules and limits
Rule 1: Name the structure and its boundary.
Rule 2: Tie each part to a function.
Rule 3: A working barrier can include rigid and movable regions.
Where the analogy stops: The palate is living tissue with muscles, nerves, vessels, and growth. It is not a building floor.
Carry the previous idea forward
Mateo's strongest genetic story is multifactorial and evidence-bounded: IRF6 explains a pathway, not a proven individual cause.
Today's technical takeaway
Anatomy becomes useful when each structure is tied to the job it performs.
Now map the same rules onto biology
Map the normal lip, primary palate, and secondary palate
Two rooms
Oral and nasal cavities
Rigid floor
Hard palate
Movable hatch
Soft palate and velum
Educational illustration, not a clinical photograph, scan, or surgical plan. Use the labeled evidence cards and claim ceiling.
Mateo's case file: evidence supplied in this lesson
ANA01-E1
The incisive foramen separates the primary palate in front from the secondary palate behind.
Why it matters: It is a landmark for describing the extent of a cleft.
ANA01-E2
The hard palate is bony and the soft palate is muscular.
Why it matters: One provides a fixed roof while the other moves for speech and swallowing.
ANA01-E3
Mateo's composite file describes an opening from the lip through the palate.
Why it matters: The normal oral-nasal barrier is interrupted across more than one region.
Make the clinical decision
You are the pediatric anatomist orienting the cleft team.
A trainee labels the palate as one flat bone and cannot explain Mateo's feeding problem.
ACorrect the map to include primary palate, hard palate, soft palate, and two cavities.
BKeep one label because every palate part has the same tissue and job.
CSkip the normal map and start with surgery.
Choose the anatomy correction and cite the landmark plus one function.
Evidence required
ANA01-E1 + ANA01-E2 Claim ceiling
You may map normal structures and the barrier function. You may not classify Mateo's cleft until its full extent is supplied.Go deeper Optional tier 3
Everything required for today is above. Open these only if you want the explainer, source trail, or download files.
The everyday model and Tier 1 check are the complete required path for this lesson.
Use these checks to keep your place. They are not turned in through the portal.
Check off as you finish
- Worked through the everyday picture and answered its three questions.
- Completed the Tier 1 check in plain words.
Turn in: Anatomical lesson 1: The Normal Lip and Palate, Part by Part
Go to Schoology to turn this in.
Submit one PDF. Put your first and last name in the document header. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf.
Open Schoology PDF upload helpIf you cannot get in, see Mr. Mendoza. Do not skip the work.
Optional legacy technical materials Open only if you want the original notes, vocabulary, artifact, and CER work
Goal: Label the parts of the normal lip, , and nasal floor, and explain that the roof of the mouth is a wall that separates the mouth (oral ) from the nose (nasal cavity).
Know by the end
- The upper lip has a central bordered by philtral columns, with the where colored lip meets skin.
- The roof of the mouth has a bony in front and a movable in back.
- The is a landmark that divides the front (primary) from the back (secondary) palate.
- The and soft together form one continuous wall separating the oral from the nasal cavity.
1
The parts of the lip
Model start: The center of the upper lip is the , edged on each side by a philtral column and below by the .
- The soft vertical groove in the center of the upper lip is the ____.
- The sharp line where the colored lip meets the skin is the ____ border.
2
The roof of the mouth
- The bony front two-thirds of the roof is the ____ ; the movable back third is the soft palate, also called the ____.
- The landmark hole that divides the front and back of the is the ____ foramen.
3
The one big idea
- The roof of the mouth is a ____ that separates the mouth (oral ) from the nose (nasal cavity).
- These parts form during early development when separate blocks of grow toward the and ____ (join).
Everything you need for today is on this page. These links are optional.
What to read
Read the short plain-language explanation written for this lesson. Plain-language explainer for this lesson
Why this source matters
This explanation gives you the background for today's idea without making you decode a research paper: The roof of the mouth is not just a shape; it is a wall that separates the mouth from the nose.
Words to unlock first
philtrumvermilion borderalveolushard palatesoft palate (velum)
Reading moves
- Skim the title and abstract first to get the gist.
- Circle the one sentence that states the main claim.
- Box the evidence the authors give for that claim.
- Mark one sentence that confuses you, and move on.
Stop point
Stop after the final 'Use it now' section. The research citations are available separately for advanced readers.
Your output
Write one claim-evidence sentence: state the main idea, then name the example or evidence that supports it.
Where this fits
Tested on (Ohio WebXam)
Genetics of Disease · 072130
PLTW lesson
MI · Anatomical domain · Anatomy of the head and neck; structure and function
WebXam domain
Molecular and Genetic Technology
Evidence to produce
On a blank diagram of a normal newborn upper lip and open mouth, label six structures: philtrum, vermilion border, alveolus, hard palate, soft palate (velum), and incisive foramen. Then write one sentence explaining, in your own words, what job the roof of the mouth does.
Lab / skill
Human Body Systems (HBS) · Principles of Biomedical Science (PBS)
Everything required for today's decision is already in the case file and plain-language explainer. The links below are original papers and database records for teachers and advanced readers, not assigned student reading.
How this is graded (rubric)
For: On a blank diagram of a normal newborn upper lip and open mouth, label six structures: philtrum, vermilion border, alveolus, hard palate, soft palate (velum), and incisive foramen. Then write one sentence explaining, in your own words, what job the roof of the mouth does.
| Criterion | Proficient | Developing | Beginning |
|---|---|---|---|
| Complete | Every required part of the artifact is present and filled in. | Most parts are present, but one is missing or left blank. | Several parts are missing. |
| Accurate | The science and data are correct and match the evidence. | Mostly correct, with a small factual slip. | Key science or data is wrong. |
| Scientific reasoning (CER) | States a claim, backs it with specific evidence, and explains the reasoning. | Has a claim and evidence, but the reasoning is thin or missing. | Gives an answer with no evidence or reasoning. |
| Professional communication | Clear, organized, and labeled the way a clinician or scientist would write it. | Readable but disorganized or missing labels. | Hard to follow. |
| Submitted | Turned in through the route named under Submit here and confirmed. | Turned in, but in the wrong place or unconfirmed. | Not turned in. |
How the model answer scores against this rubric
- CompleteProficient: Nothing is left blank: the model fills every part of "On a blank diagram of a normal newborn upper lip and open mouth, label six structures: philtrum, vermilion border, alveolus, hard palate, soft palate (velum), and incisive foramen. Then write one sentence explaining, in your own words, what job the roof of the mouth does.".
- AccurateProficient: Every number and claim matches the case evidence.
- Scientific reasoning (CER)Proficient: It names a claim, cites the specific evidence, and explains the reasoning, not just the answer.
- Professional communicationProficient: It is organized and labeled like a real chart note.
- SubmittedProficient: It would be attached to your class form or handed in, and confirmed.
What's next: We have a clean map of the normal lip and . But a lip and a palate are not just static shapes; they have to move, close, and seal. Which muscles make a lip and a palate work? We chase that next time.