Chapter 3: Structures and Functions of the Integumentary System

Question 1

The Integumentary System consist of?

Answer 1

The skin and its accessory organs; hair, nails, sebaceous (oil) glands and sudoriferous (sweat) glands.

Question 2

What is the largest organ of the body?

Answer 2

The skin.

Question 3

What is the main function of the skin?

Answer 3

To provide a barrier for the body against external elements like chemicals, trauma, pollution, ultraviolet rays, etc.

Question 4

Skin serves to regulate temperature through?

Answer 4

its network of capillaries that dilate when the body gets too hot and narrow to retain when the body is cold.

Question 5

What are the 3 Layers of the skin?

Answer 5

Epidermis, Dermis and Subcutaneous Layers.

Question 6

Sweat gland are tiny, coiled tubes in the dermis with ducts leading to?

Answer 6

The surface and help regulate body temperature and water content by secreting sweat,

Question 7

Oil glands are located near hair follicles and secrete sebum that lubricates?

Answer 7

The hair, skin and discourages the growth of bacteria on the skin.

Question 8

Hair grows from follicles, which are tunnel-shaped shafts that extend deep into?

Answer 8

The dermal layer.

Question 9

What is th primary function of human hair?

Answer 9

To control the loss of body heat.

Question 10

Nails are composed of hard keratin and create?

Answer 10

Protective shield over the last bone of each finger and toe.