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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

All of the following are true of the thymus gland except that it:

functions as a major digestive organ

produces hormones important for T cell maturation

is located in the mediastinum

is most active during childhood

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Verified step by step guidance

Step 1: Begin by identifying the primary function of the thymus gland. The thymus is a lymphoid organ that plays a crucial role in the immune system, specifically in the maturation of T cells (a type of white blood cell). It does not have any role in digestion.

Step 2: Understand the location of the thymus gland. It is situated in the mediastinum, which is the central compartment of the thoracic cavity, between the lungs and behind the sternum.

Step 3: Recognize the activity of the thymus gland during different life stages. The thymus is most active during childhood and gradually decreases in size and function after puberty, a process known as involution.

Step 4: Compare the options provided in the question. The thymus gland does not function as a digestive organ, which is unrelated to its role in the immune system. This makes the first option incorrect.

Step 5: Conclude that the correct answer is the statement that the thymus gland 'functions as a major digestive organ,' as this is the exception among the listed characteristics.