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

Which organ in the body primarily regulates erythrocyte (red blood cell) production?

Liver

Thyroid gland

Kidney

Pancreas

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Verified step by step guidance

Understand the role of erythrocytes (red blood cells) in the body: Erythrocytes are responsible for transporting oxygen from the lungs to tissues and carbon dioxide from tissues to the lungs.

Learn about erythropoiesis, the process of red blood cell production, which occurs in the bone marrow and is regulated by the hormone erythropoietin.

Identify the organ responsible for producing erythropoietin: The kidneys are the primary organ that senses oxygen levels in the blood and releases erythropoietin in response to low oxygen levels (hypoxia).

Compare the functions of the other organs listed: The liver is involved in metabolism and detoxification, the thyroid gland regulates metabolism through hormones, and the pancreas regulates blood sugar levels through insulin and glucagon. None of these organs are directly involved in erythrocyte production.

Conclude that the kidney is the correct answer because it plays a central role in regulating erythrocyte production by releasing erythropoietin in response to oxygen needs.