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

21. The Immune System

Introduction to the Immune System

Anatomy & Physiology

21. The Immune System

Introduction to the Immune System

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Multiple Choice

Which of the following is NOT part of the immune system?

Lymph nodes

Thymus

Pancreas

Spleen

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Verified step by step guidance

Begin by identifying the primary components of the immune system. The immune system is composed of various organs and tissues that work together to defend the body against pathogens.

Consider the role of lymph nodes. Lymph nodes are small, bean-shaped structures that filter lymph fluid and house immune cells, making them integral to the immune system.

Examine the function of the thymus. The thymus is a gland located in the chest that is crucial for the development of T-cells, a type of white blood cell essential for immune response.

Evaluate the spleen's contribution. The spleen is an organ that filters blood, recycles old red blood cells, and helps produce white blood cells, playing a significant role in immune function.

Identify the pancreas and its primary function. The pancreas is mainly involved in digestion and blood sugar regulation through the production of enzymes and hormones like insulin, and is not directly part of the immune system.