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

16. The Endocrine System

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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Multiple Choice

The thymus is located in the ______.

abdominal cavity

mediastinum

cranial cavity

pelvic cavity

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Verified step by step guidance

Step 1: Begin by identifying the thymus as an organ of the lymphatic and immune system. It plays a crucial role in the development of T-cells, which are essential for adaptive immunity.

Step 2: Recall the anatomical location of the thymus. It is situated in the thoracic cavity, specifically in the mediastinum, which is the central compartment of the thoracic cavity between the lungs.

Step 3: Understand that the mediastinum is bordered by the sternum anteriorly, the spine posteriorly, and the lungs laterally. This is where the thymus resides during early life and gradually shrinks with age.

Step 4: Eliminate the incorrect options based on anatomical knowledge: the abdominal cavity, cranial cavity, and pelvic cavity do not house the thymus. These cavities contain other organs such as the stomach, brain, and reproductive organs, respectively.

Step 5: Conclude that the correct answer is the mediastinum, as it is the specific region where the thymus is located.