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

2. Cell Chemistry & Cell Components

Introduction to Membrane Transport

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Membrane Transport

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Multiple Choice

What happens to the fluid that is filtered from blood capillaries into the surrounding tissues?

It is converted into red blood cells within the tissues.

It is mostly reabsorbed into the capillaries, while the remainder enters lymphatic vessels.

It accumulates in the tissues and causes permanent swelling.

It is immediately excreted from the body through sweat glands.

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Verified step by step guidance

Step 1: Understand the process of fluid exchange in capillaries. Blood capillaries filter fluid into surrounding tissues due to hydrostatic pressure, which pushes water and solutes out of the capillaries into the interstitial space.

Step 2: Learn about reabsorption. Most of the filtered fluid is reabsorbed back into the capillaries due to osmotic pressure created by plasma proteins, which draw water back into the bloodstream.

Step 3: Explore the role of the lymphatic system. The small portion of fluid that is not reabsorbed enters the lymphatic vessels, where it is transported as lymph and eventually returned to the circulatory system.

Step 4: Clarify misconceptions. The fluid is not converted into red blood cells, excreted through sweat glands, or permanently accumulated in tissues. These are incorrect interpretations of the fluid dynamics in capillaries.

Step 5: Relate this process to homeostasis. The balance between filtration, reabsorption, and lymphatic drainage is essential for maintaining tissue fluid balance and preventing edema (swelling).