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

20. The Lymphatic System

Introduction to the Lymphatic System

Anatomy & Physiology

20. The Lymphatic System

Introduction to the Lymphatic System

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Multiple Choice

Filtration of lymphatic fluid occurs primarily in the:

thymus

lymph nodes

spleen

bone marrow

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Verified step by step guidance

Understand the function of lymphatic fluid: Lymphatic fluid is a clear fluid that circulates through the lymphatic system, carrying immune cells and waste products. Filtration of this fluid is essential for removing pathogens and debris.

Review the role of lymph nodes: Lymph nodes are small, bean-shaped structures located throughout the body. They act as filters for lymphatic fluid, trapping pathogens, debris, and cancer cells while housing immune cells that help fight infections.

Compare the roles of other organs listed: The thymus is involved in the maturation of T-cells, the spleen filters blood and removes old red blood cells, and the bone marrow produces blood cells. None of these structures are primarily responsible for filtering lymphatic fluid.

Identify the correct answer based on function: Since lymph nodes are specialized for filtering lymphatic fluid, they are the primary site for this process.

Conclude that lymph nodes are the correct answer and explain why: Lymph nodes are strategically located throughout the body to ensure efficient filtration of lymphatic fluid, making them the primary site for this function.