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 of the following organs is NOT considered a primary endocrine organ?

Pancreas

Adrenal gland

Heart

Thyroid gland

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Verified step by step guidance

Step 1: Understand the concept of primary endocrine organs. Primary endocrine organs are those whose main function is to produce and secrete hormones directly into the bloodstream to regulate various physiological processes.

Step 2: Review the listed organs and their primary functions. The pancreas, adrenal gland, and thyroid gland are all primary endocrine organs because their main role is hormone secretion (e.g., insulin from the pancreas, cortisol from the adrenal gland, and thyroid hormones from the thyroid gland).

Step 3: Examine the heart's function. The heart is primarily a muscular organ responsible for pumping blood throughout the body. While it does produce a hormone called atrial natriuretic peptide (ANP), its primary function is not endocrine in nature.

Step 4: Differentiate between primary and secondary endocrine functions. Secondary endocrine organs, like the heart, produce hormones as a secondary function, not as their main role.

Step 5: Conclude that the heart is not considered a primary endocrine organ because its main function is related to the circulatory system, not hormone production.