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 primary function of the integumentary system?

Synthesis of vitamin D

Protection against pathogens

Regulation of body temperature

Production of red blood cells

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Verified step by step guidance

Step 1: Begin by reviewing the primary functions of the integumentary system. The integumentary system includes the skin, hair, nails, and associated glands. Its main roles are protection, regulation, and synthesis of certain substances.

Step 2: Understand that the synthesis of vitamin D is a key function of the integumentary system. When the skin is exposed to sunlight, it helps convert cholesterol into vitamin D, which is essential for calcium absorption and bone health.

Step 3: Recognize that protection against pathogens is another primary function of the integumentary system. The skin acts as a physical barrier, preventing harmful microorganisms from entering the body.

Step 4: Note that regulation of body temperature is also a primary function. The integumentary system achieves this through mechanisms like sweating and adjusting blood flow to the skin to maintain homeostasis.

Step 5: Finally, identify that the production of red blood cells is not a function of the integumentary system. This process occurs in the bone marrow, which is part of the skeletal system, not the integumentary system.