Functions of Skin
What is one main function of the integumentary system?
(Protects the body from the environment)
What is the outer layer of skin called?
Epidermis
What produces oil to keep the skin soft?
Sebaceous glands
Why is washing your skin important?
Removes dirt, oil, and bacteria
True or False: Your skin is the largest organ in your body.
True
What does the skin produce to help regulate body temperature?
Sweat
Which layer contains blood vessels, nerves, and sweat glands?
Dermis
What are small openings that allow sweat to leave the skin?
Pores
What happens if you don't wash your face regularly?
Oil and dirt build-up can cause acne or infections
What gives skin and hair their color?
Melanin
What protein makes skin tough and waterproof?
Keratin
What is the name of the protein-rich layer that makes up the outer part of the skin?
Epidermis – contains keratin
Where does hair grow from?
Hair Follicle
What does sunscreen protect your skin from?
UV rays / Sunburn / Skin cancer risk
What part of the nail protects the nail root?
Cuticle
What is produced by the skin to protect it from UV rays?
Melanin
True or False: The epidermis contains blood vessels.
False
What do sweat glands do?
Produce sweat to help cool the body
Name two ways to keep your skin healthy.
Regular washing, moisturizing, sunscreen use, healthy diet
How often does your skin completely replace itself?
About every 28-30 days
Name two ways the skin helps protect the body.
Acts as a barrier; Regulates temperature; Produces vitamin D
What is the fatty layer beneath the dermis called?
Hypodermis or subcutaneous layer
What do osteocytes do in the bones?
Maintain bone tissue and mineral balance
True or False: Popping pimples is good for your skin.
False – can cause infection or scarring
Name one reason why your skin gets goosebumps.
Response to cold or fear; muscles pulling on hair follicles