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 classified as a dual gland, functioning as both an exocrine and an endocrine gland?

Thyroid gland

Pineal gland

Pancreas

Adrenal gland

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Verified step by step guidance

Understand the difference between exocrine and endocrine glands: Exocrine glands release their secretions through ducts to external or internal surfaces (e.g., sweat glands), while endocrine glands release hormones directly into the bloodstream (e.g., thyroid gland).

Identify the pancreas as a dual-function gland: The pancreas has both exocrine and endocrine functions, making it unique among the listed options.

Explain the exocrine function of the pancreas: The pancreas produces digestive enzymes (e.g., amylase, lipase) that are secreted into the small intestine via the pancreatic duct to aid in digestion.

Explain the endocrine function of the pancreas: The pancreas contains clusters of cells called the islets of Langerhans, which secrete hormones like insulin and glucagon directly into the bloodstream to regulate blood sugar levels.

Compare the pancreas to the other glands listed: The thyroid, pineal, and adrenal glands are purely endocrine glands, as they only release hormones into the bloodstream and do not have exocrine functions.