Life Science Quiz 13B

What is underneath the dermis?

• the epidermis

• hair follicles

• the subcutaneous layer

• sweat glands

Which of the following does not happen when the skin attempts to cool the body?

• Blood flow to the skin is increased.

• Pores in the skin are closed.

• Sweat is released by the sweat glands.

• Sweat evaporates to cool the skin.

Dead epidermis cells are filled with a protein called keratin.

• True

• False

All humans are part of one race—we are all merely different shades of brown.

• True

• False

Hair follicles and oil glands are found in the ________ layer of the skin.

• dermis
• epidermis

• subcutaneous

An area of thickened epidermis resulting from friction is called a(n) ________.

• corn
• blister
• scar
• callus

What two factors contribute to the amount of melanin a person has?

• Diet and exercise
• Hair color and eye color
• Age and gender
• Genetics and sun exposure