Sassafras Science Adventures: Anatomy Chapter 17 Quiz

The main job of the integumentary system is to _________________.

• Digest food and discharge waste

• Take in oxygen and release carbon dioxide

• Cover and protect the body

• All of the above

What layer absorbs shock and provides warmth?

• Epidermis

• Dermis

• Fat

The body is covered with _______ that release sweat.

• Hairs

• Pores

• Villi

• None of the above

Hair covers ___________.

• All of the body

• Only 50% of the body

• Everywhere on the body except for lips, palms and soles

• None of the body

What layer forms a protective barrier?

• Epidermis

• Dermis

• Fat

Nails protect the very sensitive __________.

• Fingertips

• Skin

• Knuckles

• None of the above

All hair grows from living cells that are at the base of follicles found in the layer of fat at the bottom of skin. As the cells push upward, they die and are filled with a tough substance called ________.

Tags

NGSS.MS-LS1-5

At the bottom of each hair follicle is the sebaceous gland, which secretes a natural oil called _____.

Tiny muscles in the skin pull the hair follicles so they stand upright and trap warm air between the raised hair and skin. These bumps on the skin are called _____ _____.

The nail bed is fed with tiny blood cells that give the nail its pinkish color.

• True

• False