Skin, hair and nails PRETEST NOT A GRADE!

What is your body's biggest organ?

• Heart

• Skin

• Teeth

• Brain

True or False: On average, you lose more than 10,000 skin cells per hour.

• True

• False

Your hair grows out of special tubes called---

• arteries

• philtrum

• follicles

• glabella

True or False: You can feel pain in your finger and toenails?

• True

• False

Melanin does what?

• delivers nutrients to hair follicles

• gives color to your hair and skin

• keeps your skin waterproof

• slows the loss of skin cells

Tags

NGSS.MS-LS4-4

True or False: The bottom part of your hair follicle is alive.

• True

• False

Tags

NGSS.MS-LS1-1

True or False: The exposed part of your hair (what is visible to your eye) is alive.

• True

• False

What is the top layer of skin called?

• callus

• epidermis

• dermis

• hypodermis

What layer of skin senses pain?

• callus

• epidermis

• dermis

• hypodermis

What is the oily substance that protects the skin against water called?

• seaweed

• callus

• sebum

• skin