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

The Dermis

Anatomy & Physiology

5. Integumentary System

The Dermis

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Multiple Choice

Which layer of the skin supplies the skin with oxygen and nutrients?

Dermis

Epidermis

Hypodermis

Stratum corneum

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Verified step by step guidance

Understand the structure of the skin: The skin is composed of three main layers—epidermis (outermost layer), dermis (middle layer), and hypodermis (innermost layer). Each layer has distinct functions and characteristics.

Learn the role of the dermis: The dermis contains blood vessels, which are responsible for supplying oxygen and nutrients to the skin. It also houses nerve endings, sweat glands, and hair follicles.

Recognize the epidermis: The epidermis is the outermost layer of the skin and does not contain blood vessels. It relies on the dermis for oxygen and nutrient supply through diffusion.

Understand the hypodermis: The hypodermis, also known as the subcutaneous layer, is primarily composed of fat and connective tissue. It provides insulation and cushioning but does not directly supply oxygen and nutrients to the skin layers above.

Clarify the stratum corneum: The stratum corneum is the outermost part of the epidermis, composed of dead keratinized cells. It acts as a protective barrier but does not play a role in oxygen or nutrient supply.