Skin

Front

What type of cells make up most of the outer layer of the skin?

Back

Squamous cells are flat and scale-like, making up most of the outer layer of the skin.

Front

What is the primary component of the outermost layer of the skin?

Back

Keratin is the primary component of the outermost layer of the skin.

Front

What muscle is responsible for causing hair to stand up?

Back

The arrector pili muscle is responsible for causing hair to stand up.

Front

What does the integumentary system consist of?

Back

The integumentary system consists of skin, nails, and hair.

Front

What is the papillary layer?

Back

The papillary layer is the uppermost layer of the dermis, containing blood vessels and nerve endings.

Front

What is the function of sebaceous glands?

Back

Sebaceous glands secrete oil (sebum) to lubricate and protect the skin.

Front

What is the role of sweat glands?

Back

Sweat glands help regulate body temperature through the secretion of sweat.

Front

What is the dermis?

Back

The dermis is the layer of skin beneath the epidermis that contains connective tissue, blood vessels, and nerves.

Front

What is the hypodermis?

Back

The hypodermis is the layer of fat and connective tissue beneath the dermis that insulates the body.

Front

What is melanin?

Back

Melanin is a pigment produced by melanocytes that gives skin its color and protects against UV radiation.