Integumentary System TEAS A&P

Question 1

What is the structure of the integumentary system?

Answer 1

The integumentary system is composed of the:
1. Epidermis
2. Dermis
3. Subcutaneous/ Hypodermis.

Question 2

What is the integumentary system?

Answer 2

Layers of the skin, hair, nails and sweat glands.

Question 3

Epidermis

Answer 3

The epidermis is the outermost layer of the skin that provides a waterproof barrier and protects the body from infection.

Question 4

Dermis

Answer 4

The dermis the middle layer of skin that contains blood vessels, nerves, hair follicles, and sweat glands.

Question 5

Subcutaneous/ Hypodermis

Answer 5

Subcutaneous/ Hypodermis is the innermost layer of skin that consists of fat and connective tissue.

Question 6

Skin:

Answer 6

The largest organ in the body. Made up of three layers:
1. Epidermis
2. Dermis
3. Subcutaneous/ Hypodermis.

Question 7

What are the functions of the integumentary system?

Answer 7

1. Protection: The skin protects the body from harmful substances, UV rays, and excessive water loss by creating a barrier from outside pathogens. Melanocytes produce melanin that helps protect gains UV radiation.
2. Excretion. The sweat glands help to regulate body temperature by producing sweat that evaporates and cools the body. Sweat contains trace amounts of laced acid, urea, and alcohol.
3. Sensation: The skin is packed with nerve ending that allow us to feel touch, pressure, heat and cold.

Question 8

How does the integumentary system help with homeostasis?

Answer 8

Regulating body temperature and fluid balance.

Question 9

What happens if you are too warm?

Answer 9

Blood vessels in the skin dilate and sweat is produced to cool off the body.

Question 10

What happens to the body when it is cold?

Answer 10

Blood vessel in the skin constrict to maintain body heat