Integumentary System

Front

What are the three main layers of the skin?

Back

The epidermis, the dermis, and the hypodermis.

Front

As cells are pushed from the deeper portion of the epidermis toward the surface, what happens to them?

Back

They fill with keratin and die.

Front

What part of a hair can be seen?

Back

Shaft.

Front

What is the coloring pigment in the skin that is found in the epidermis?

Back

Melanin.

Front

How many Arrector Pili Muscles are there?

Back

7.

Front

What is the primary function of the epidermis?

Back

To provide a protective barrier against environmental hazards.

Front

What is keratin and where is it found?

Back

Keratin is a protein found in the epidermis that helps protect the skin and underlying tissues.

Front

What role does the dermis play in the integumentary system?

Back

The dermis provides strength and elasticity to the skin and houses blood vessels, nerves, and glands.

Front

What are sebaceous glands and what do they secrete?

Back

Sebaceous glands are oil glands in the skin that secrete sebum, which lubricates and waterproofs the skin.

Front

What is the function of sweat glands?

Back

Sweat glands help regulate body temperature and excrete waste products through perspiration.