The Integumentary System: Skin Anatomy and Physiology
Explore the structure and functions of the human skin, including its layers, cells, and roles in protection and regulation.
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The Integumentary System: Skin Anatomy and Physiology
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Read each question carefully and answer to the best of your ability. Use the provided image to help answer questions about skin layers.
Observe the diagram of the human skin cross-section below to answer the following questions.
1. Which layer of the skin is primarily responsible for producing melanin?
Epidermis
Dermis
Hypodermis
Subcutaneous tissue
2. Which of the following is NOT a primary function of the integumentary system?
Protection
Vitamin D synthesis
Gas exchange
Thermoregulation
3. The outermost layer of the epidermis is the stratum , which consists of dead keratinocytes.
4. Sweat glands, hair follicles, and sebaceous glands are primarily located in the layer of the skin.
5. The pigment responsible for skin and hair color is .
6. The hypodermis is considered a true layer of the skin.
True
False
7. Keratinocytes are the cells that produce the protective protein keratin.
True
False
8. Describe two ways the skin helps regulate body temperature.
9. Explain the role of Langerhans cells in the skin's immune response.
Match the skin component on the left with its primary function on the right.
10. Sebaceous Gland
a. Produces sweat for cooling
11. Arrector Pili Muscle
b. Secretes oil to lubricate skin and hair
12. Eccrine Gland
c. Causes hair to stand upright
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