Describe the Anatomy & Physiology of the Integumentary System

Question 1

What does the Integumentary System consists of?

Answer 1

Skin, hair, and nails, as well as the Sebaceous, Sudoriferous, and Ceruminous Glands

Question 2

What is the largest organ of the body?

Answer 2

The skin

Question 3

What does the Integumentary System contain?

Answer 3

Organs and Glands that are vital to protecting the body and regulating temperature

Question 4

Within the skin, there are:

Answer 4

Hair follicles, sweat glands, and blood vessels

Question 5

What are the layers of the skin?

Answer 5

Epidermis: Outer layer
Dermis: Middle layer
Subcutaneous or Hypodermis: Inner layer

Question 6

What is the Epidermis made of?

Answer 6

Dead cells on the outside, living cells on the inner layer

Question 7

The Epidermis also includes cells known as:

Answer 7

Melanocytes

Question 8

What are Melanocytes?

Answer 8

Produce and distribute melanin, which is skin pigment

Question 9

What does the Dermis contain?

Answer 9

Collagen, Blood vessels, Glands, Hair follicles, and Nerve Endings

Question 10

What are the functions of the Integumentary System?

Answer 10

Protection, excretion, and interaction between the body and the environment

Question 11

The ___ provides a barrier between the body and outside pathogens such as bacteria and prevents the body from drying out

Answer 11

Epidermis

Question 12

The inner cells of the Epidermis divide quickly, pushing older cells to the surface. The old cells:

Answer 12

Die and create a tough, waterproof outer surface

Question 13

Helps to protect the body from ultraviolet radiation from the sun

Answer 13

Melanin

Question 14

Skin cells produce ___ that protect the tips of fingers and toes

Answer 14

Nails

Question 15

What are excreted by glands?

Answer 15

Water and minerals including sodium, chloride, and magnesium

Question 16

What happens when minerals build up in the body?

Answer 16

They are excreted in higher amounts

Question 17

Sweat can contain trace amounts of:

Answer 17

Urea, lactic acid, and alcohol

Question 18

The Integumentary System plays a vital role in:

Answer 18

Thermoregulation

Question 19

What happens when the body becomes too warm?

Answer 19

Sebaceous glands produce sweat

Question 20

The evaporation of the water on the skin creates a ___ ___.

Answer 20

Cooling Effect

Question 21

What can also dilate when the body is warm?

Answer 21

Blood vessels

Question 22

What can appear as blushed cheeks?

Answer 22

Dilated blood vessels carrying more blood closer to the skin surface

Question 23

If the body is too cold, blood vessels ___ so that less blood is carried to the skin of the surface

Answer 23

Constrict