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 a primary function of the conjunctiva in the integumentary system?

It produces melanin to protect against UV radiation.

It regulates body temperature through sweat production.

It stores fat for energy reserves.

It protects and lubricates the surface of the eye.

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Verified step by step guidance

Understand the conjunctiva's role: The conjunctiva is a thin, transparent mucous membrane that covers the inner surface of the eyelids and the outer surface of the sclera (the white part of the eye). It is not part of the integumentary system, which includes skin, hair, nails, and glands.

Clarify the conjunctiva's primary function: Its main role is to protect and lubricate the surface of the eye by producing mucus and tears, which help maintain moisture and prevent irritation.

Eliminate incorrect options: The conjunctiva does not produce melanin (a function of melanocytes in the skin), regulate body temperature through sweat production (a function of sweat glands in the skin), or store fat for energy reserves (a function of adipose tissue).

Focus on the correct answer: The conjunctiva's protective and lubricating function aligns with the description provided in the correct answer.

Relate the conjunctiva to its anatomical context: While the conjunctiva is not part of the integumentary system, its role in maintaining eye health is crucial for vision and overall well-being.