True or False?
As you grow, your skin grows with you.
Name the two layers of skin.
dermis and epidermis
What is the top layer of skin?
epidermis
What is a major purpose of fingerprints?
to provide friction
Your fingertips and back have fewer nerves.
false (Your back has fewer nerves than many body parts; however, your fingertips are good at feeling--they have many nerves!)
What is the function of the epidermis?
It keeps harmful things out and goo things (like water) in.
What are tiny pathways that carry messages between the brain and other parts of the body?
nerves
It keeps organs working properly and blood flowing; it prevents your body from drying out; it helps keep your body at the right temperature (by sweat).
Your skin is the second largest organ, second only to your nerves.
false (They are your largest organ.)
Which layer is thicker--the dermis or epidermis?
Define melanin.
the coloring in your skin
What two body parts other than fingertips are known to have the ridges such as found in your fingerprints.
the palms of your hands and the bottoms of your feet
Your fingerprints are only in your epidermis.
false (They are in your dermis and epidermis.)
What is sweat mostly made of?
water
What are the bumps that cover your skin when you are cold typically called?
goose bumps
What do oil glands do?
They release oil, which protects your body and keeps your skin soft and waterproof.
Most of the skin you see is the dead cells waiting to fall off.
true
Name four 😮parts of the dermis.
nerves, blood vessels, sweat glands, and oil glands
What are the tiny openings in your skin that release sweat?
pores
Explain how your blood vessels help keep your body temperature constant.