Integumentary System Review #1

Front

What is the average time it takes for new cells in the bottom layer of the epidermis to move to the top?

Back

2-4 Weeks

Front

What pigment absorbs sunlight to protect skin cells from damage?

Back

Melanin

Front

What does the Integumentary System use to make Vitamin D?

Back

UV Light

Front

Which type of cell found in the epidermis is responsible for immune activity and eats up foreign cells?

Back

Langerhans cells

Front

What contributes to the amount of melanin a person produces?

Back

The amount of UV light a person is exposed to

Front

What is the primary function of the integumentary system?

Back

To protect the body from external damage and regulate temperature.

Front

What are the main layers of the skin?

Back

Epidermis, Dermis, and Hypodermis.

Front

What is keratin and where is it found?

Back

Keratin is a protein that makes up hair, nails, and the outer layer of skin.

Front

What role do melanocytes play in the skin?

Back

Melanocytes produce melanin, which gives skin its color and protects against UV radiation.

Front

What is the function of sweat glands in the integumentary system?

Back

Sweat glands help regulate body temperature through perspiration.