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 Heart2h 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

20. The Lymphatic System

Lymphatic Vasculature

Anatomy & Physiology

20. The Lymphatic System

Lymphatic Vasculature

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Multiple Choice

Why is it important for lymphatic capillaries to be closely associated with cardiovascular capillaries?

They take up the erythrocytes that leak out of the cardiovascular capillaries.

They need to deliver oxygen and nutrients to the cardiovascular capillaries.

They take up some fluid that has leaked out of cardiovascular capillaries.

They need to receive $CO_2$ , which is released by the cardiovascular capillaries.

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Verified step by step guidance

Understand the function of lymphatic capillaries: Lymphatic capillaries are small, thin-walled vessels that are part of the lymphatic system. Their primary role is to collect excess fluid, known as lymph, from tissues and return it to the bloodstream.

Recognize the relationship with cardiovascular capillaries: Cardiovascular capillaries are the smallest blood vessels in the circulatory system, where exchange of gases, nutrients, and waste occurs between blood and tissues. Some fluid leaks out during this exchange process.

Identify the importance of proximity: Lymphatic capillaries are closely associated with cardiovascular capillaries to efficiently collect the fluid that leaks out. This prevents tissue swelling and maintains fluid balance in the body.

Clarify the misconception about erythrocytes: Unlike the statement in the problem, lymphatic capillaries do not take up erythrocytes (red blood cells) that leak out. Erythrocytes typically remain within the blood vessels unless there is damage.

Explain the role in fluid balance: By taking up the leaked fluid, lymphatic capillaries help prevent edema (swelling) and ensure that the cardiovascular system can continue to function effectively without losing too much fluid.