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

How are exocrine glands different from endocrine glands?

Exocrine glands secrete hormones directly into the bloodstream.

Endocrine glands have ducts that carry their secretions to target organs.

Exocrine glands release their secretions through ducts to an external or internal surface.

Endocrine glands secrete enzymes for digestion.

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Verified step by step guidance

Understand the basic definitions: Exocrine glands are glands that release their secretions through ducts to an external or internal surface. Endocrine glands, on the other hand, release hormones directly into the bloodstream without the use of ducts.

Identify the key differences: Exocrine glands use ducts to transport their secretions, while endocrine glands do not have ducts and instead release hormones directly into the bloodstream.

Consider the types of substances secreted: Exocrine glands typically secrete substances like enzymes, sweat, or saliva, which are not hormones. Endocrine glands secrete hormones, which are chemical messengers that regulate various physiological processes.

Examine the target of the secretions: Exocrine gland secretions often act locally at the site of release, whereas endocrine gland hormones travel through the bloodstream to act on distant target organs.

Clarify misconceptions: The statement that exocrine glands secrete hormones directly into the bloodstream is incorrect, as this is a characteristic of endocrine glands. Similarly, the statement that endocrine glands have ducts is incorrect, as they are ductless.