Lung volumes: explain the model comparison
Wed, Apr 28, 2027 · Week 15 · Human Anatomy & Physiology (Human Body Systems)
Today's goal: Use the corrected calculation table to explain a difference between two models and one limit of the comparison.
Use this separate model to check your method. Your required work uses E1 and E2 from the packet. Keep the invented model values separate from measurements.
Model N and Model P are a separate invented comparison, not E1 or E2. N has TV 0.5 L, IRV 1.8 L and ERV 0.7 L; VC = 0.5 + 1.8 + 0.7 = 3.0 L. P has TV 0.5 L, IRV 2.1 L and ERV 1.0 L; VC = 0.5 + 2.1 + 1.0 = 3.6 L. Difference = 3.6 - 3.0 = 0.6 L. No RV or TLC value is supplied for N or P. Worked paragraph: Model P has the larger calculated VC. Its 3.6 L exceeds Model N’s 3.0 L by 0.6 L. The VC rule adds TV, IRV and ERV; TV is equal, while P’s IRV and ERV each add 0.3 L more. Thus P’s model represents 0.6 L more movable air between a full inhale and full exhale. This invented comparison supplies no health, fitness, disease or air-sac evidence. Apply this paragraph structure to E1 and E2 using your corrected table, not the N/P answers.
This model shows the level of evidence and organization needed to complete: Original paragraph structure only; use corrected E1 and E2 for the assigned comparison.
- Recheck the E1 and E2 vital-capacity calculations with Reference R. Keep any correction visible.
- Find the larger VC and subtract the smaller VC. Record the difference in liters.
- Use the packet's five prompts to write one paragraph: claim, both values and the difference, reasoning from Reference R, meaning and a limit from E3.
- Submit the paragraph and corrected table as one readable PDF in Wk15 CER: Spirometry data CER analysis. Choose your own section below and follow the posted due date. If upload fails, keep the same PDF and tell Mr. Mendoza. Do not mark it submitted until the upload works.
E1 and E2 are the required records for this assignment. Model M or N/P shows the method. No personal measurement is needed. Save your file and tell Mr. Mendoza if upload fails.
Also due today: No separate model submission. Save your E1/E2 paragraph and corrected table together. If upload fails, keep the PDF and tell Mr. Mendoza. Do not mark it submitted until the upload works.
Turn in: Lung-volume comparison paragraph with the corrected calculation table
Go to Schoology to turn this in.
Submit one PDF. Schoology attaches your name to your upload; on the page itself, write your period and code. 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.
Claim ceiling: Compare the supplied models' lung volumes. These records cannot establish health, fitness, disease or air-sac structure.
One exam-style question that uses exactly what you practiced today. Try it before you reveal the answer, then read why each choice is right or wrong.
Tap an answer to see the full explanation. Nothing is recorded or graded.
It builds this reusable test skill: Separating moved air from remaining air.
- Name the concept or data pattern being tested.
- Cross out choices that violate that rule or the evidence.
- Justify the best remaining choice before checking the answer.

