Skin Layers
What is the outermost layer of the skin?
Epidermis
What is the main job of the skin?
Protection
What are hair and nails made of?
Keratin
What is a small break in the skin called?
Cut
What is the largest organ in the human body?
Skin
Which layer contains nerves, blood vessels, and glands?
Dermis
What does sweat help control?
Body temperature
What do sweat glands make?
Sweat
What is a burn that only affects the top layer?
First-degree burn
About how much skin does the average adult have?
About 20 square feet
What is the bottom layer of the skin called?
Hypodermis
What does the skin help keep inside your body?
Water
What do oil glands make?
Oil (or sebum)
What is a purple/blue mark under the skin called?
Bruise
What gives skin its color and protects it from UV rays?
Melanin
Which layer has nerves and blood vessels?
Dermis
What do you use to protect your skin from the sun?
Sunscreen
What grows hair?
Hair follicles
What happens when pores get clogged?
Acne
What is collagen and what does it do?
A protein that keeps skin strong and elastic
Which layer is made of mostly dead skin cells?
Epidermis
What does your skin help you feel?
Touch
Oil glands produce...
sebum
Why should you clean a cut?
To prevent infection
What happens to skin cells every day?
They are shed and replaced