Skin Structure and Function
Explore the layers, cells, and functions of human skin with this Grade 11 Biology worksheet.
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Skin Structure and Function Worksheet
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Read each question carefully and provide thoughtful answers based on your knowledge of human skin.
Observe the diagram of the human skin cross-section below and answer the questions that follow.
1. The outermost layer of the skin is called the .
2. Melanin, which provides skin color and protection from UV radiation, is produced by cells called .
3. The layer of skin that contains blood vessels, nerves, hair follicles, and sweat glands is the .
4. The primary protein responsible for the strength and waterproofing of the epidermis is .
5. Which of the following is NOT a primary function of the integumentary system?
Protection from pathogens
Regulation of body temperature
Production of digestive enzymes
Sensory reception
6. Which type of gland produces sweat for thermoregulation?
Sebaceous glands
Apocrine glands
Ceruminous glands
Eccrine glands
7. The hypodermis is considered a true layer of the skin.
True
False
8. Vitamin D synthesis occurs in the skin upon exposure to ultraviolet (UV) radiation.
True
False
9. Briefly describe the role of keratinocytes in the epidermis.
10. Explain how the skin helps to regulate body temperature.