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

5. Integumentary System

Introduction to the Integumentary System

Anatomy & Physiology

5. Integumentary System

Introduction to the Integumentary System

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Multiple Choice

Which of the following is NOT a function of the integumentary system?

Protection against pathogens

Regulation of body temperature

Synthesis of vitamin D

Production of red blood cells

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Verified step by step guidance

Step 1: Begin by understanding the primary functions of the integumentary system. The integumentary system includes the skin, hair, nails, and associated glands. Its main roles are protection, temperature regulation, sensation, excretion, and synthesis of vitamin D.

Step 2: Analyze each option provided in the question. For example, 'Protection against pathogens' is a valid function of the integumentary system because the skin acts as a physical barrier to prevent the entry of harmful microorganisms.

Step 3: Evaluate 'Regulation of body temperature.' This is another function of the integumentary system, achieved through mechanisms like sweating and vasodilation or vasoconstriction of blood vessels in the skin.

Step 4: Consider 'Synthesis of vitamin D.' The skin plays a critical role in synthesizing vitamin D when exposed to sunlight, making this a valid function of the integumentary system.

Step 5: Examine 'Production of red blood cells.' This is NOT a function of the integumentary system. Red blood cell production occurs in the bone marrow, which is part of the skeletal system, not the integumentary system.