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

1. Insulin is produced in and released from the:

adrenal cortex

thyroid gland

pituitary gland

pancreas

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Verified step by step guidance

Step 1: Understand the role of insulin in the body. Insulin is a hormone responsible for regulating blood glucose levels by facilitating the uptake of glucose into cells.

Step 2: Recall the anatomy of the endocrine system. Insulin is produced by specialized cells called beta cells located in the pancreas, specifically in the islets of Langerhans.

Step 3: Differentiate the pancreas from other glands listed in the problem. The adrenal cortex produces hormones like cortisol and aldosterone, the thyroid gland produces thyroid hormones (T3 and T4), and the pituitary gland produces hormones like growth hormone and ACTH. None of these produce insulin.

Step 4: Confirm the pancreas as the correct answer by reviewing its function in the endocrine system. The pancreas has both endocrine and exocrine functions, with its endocrine role including the production of insulin and glucagon.

Step 5: Conclude that the pancreas is the correct answer based on its anatomical and physiological role in insulin production and release.