Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

22. The Respiratory System

Introduction to Lung Physiology

Anatomy & Physiology

22. The Respiratory System

Introduction to Lung Physiology

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Multiple Choice

Which of the following is NOT true of all respiratory surfaces?

They must be moist to allow gases to dissolve.

They facilitate the diffusion of gases.

They have a large surface area relative to volume.

They are always located inside the body.

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Verified step by step guidance

Understand the characteristics of respiratory surfaces: Respiratory surfaces are specialized structures in organisms that facilitate the exchange of gases, such as oxygen and carbon dioxide, with the environment.

Identify the common features of respiratory surfaces: These surfaces must be moist to allow gases to dissolve, facilitate the diffusion of gases, and typically have a large surface area relative to their volume to maximize gas exchange efficiency.

Analyze the statement 'They must be moist to allow gases to dissolve': This is true because gases need to dissolve in a liquid medium to diffuse across cell membranes effectively.

Evaluate the statement 'They facilitate the diffusion of gases': This is true as the primary function of respiratory surfaces is to enable the exchange of gases between the organism and its environment.

Consider the statement 'They are always located inside the body': This is not true for all organisms. For example, in some aquatic animals, respiratory surfaces like gills are external, and in plants, stomata are on the surface of leaves.