Skin Functions and Structure

What are the functions of the integumentary system?

• Regulates water content, produces hormones, and generates heat

• Protects the body from damage, maintains body temperature, eliminates waste through perspiration, responds to touch sensations, helps produce vitamin D using sunlight, and temporarily stores substances

• Controls body movement, generates electrical impulses, and processes sensory information

• Breaks down nutrients, removes waste from the blood, and fights infections

What are the three parts of the integumentary system?

• Skin, hair, and nails

• Bones, muscles, and cartilage

• Heart, blood, and blood vessels

• Brain, spinal cord, and nerves

What is the function of the epidermis?

• To produce sweat and regulate body temperature

• To connect the skin to the body's muscles and bones

• To act as a barrier to protect the body against ultraviolet radiation, harmful chemicals, and pathogens

• To serve as an energy reserve and insulate against cold

Which layer of the skin is responsible for producing sweat to regulate body temperature?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous tissue

What is the primary function of the hypodermis?

• To produce vitamin D using sunlight

• To protect the body against ultraviolet radiation

• To connect the skin to the body's muscles and bones, serve as an energy reserve, protect against impacts, and insulate against cold

• To eliminate waste through perspiration

How is a person's skin color determined?

• By the amount of melanin produced in response to sunlight exposure

• By various skin pigments, which are the result of genetics

• By the type of food consumed

• By the amount of keratin present in the skin

What is the primary function of melanin in the skin?

• To produce vitamin D

• To protect the skin from damage due to UV radiation

• To regulate body temperature

• To eliminate excess heat and waste

What is the color of carotene?

• Brownish-black

• Yellowish-red

• Transparent

• White

Where is the most common type of sudoriferous gland located?

• In the epidermis

• In the dermis

• On the skin's surface

• Inside the body

What is the main function of the eccrine gland?

• To keep the skin and hair soft

• To act as a barrier against bacteria and fungi

• To excrete perspiration and eliminate excess heat and solutes

• To extend the sense of touch