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

Primary Lymphoid Organs

Anatomy & Physiology

20. The Lymphatic System

Primary Lymphoid Organs

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Multiple Choice

Which primary lymphoid organ is the site of B cell maturation?

Bone marrow

Thymus

Lymph nodes

Spleen

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Verified step by step guidance

Understand the role of primary lymphoid organs: Primary lymphoid organs are where lymphocytes (B cells and T cells) mature. These organs provide an environment for the development and maturation of immune cells.

Identify the function of each organ listed: Bone marrow is responsible for the production and maturation of B cells. The thymus is where T cells mature. Lymph nodes and the spleen are secondary lymphoid organs involved in filtering lymph and blood, respectively, and are sites for immune responses but not for maturation.

Focus on B cell maturation: B cells are a type of lymphocyte that mature in the bone marrow. This is where they develop their ability to recognize specific antigens.

Eliminate options that do not match the function: Since B cells mature in the bone marrow, eliminate thymus, lymph nodes, and spleen as they do not serve as sites for B cell maturation.

Conclude with the correct primary lymphoid organ: Based on the understanding of the functions of these organs, the bone marrow is the correct site for B cell maturation.