Integumentary System

Question 1

Keratin

Answer 1

The protein that allows the epidermis to be a protective layer

Question 2

Melanin

Answer 2

A pigment that gives skin its color

Question 3

Puberty

Answer 3

The period during which adolescents become capable of reproduction

Question 4

Three layers of skin

Answer 4

-Epidermis
-Dermis
-Hypodermis

Question 5

Responsible for

Answer 5

-Keeping the body from drying out
-Providing natural sunscreen
-Storing fatty tissue that can be used for energy
-providing vitamin D
-Providing sensory input for the brain
-Regulating body temperature

Question 6

Cells in the Epidermis

Answer 6

-Keratinocytes
-Melanocytes
-Dendritic Cells
-Tactile Cells

Question 7

Layers Of The Epidermis

Answer 7

-Deepest, Stratum Basale, or basal layer
-Next, Stratum Spinosum
-Next, Stratum Granulosum
-Stratum Lucidum, only found in thicker areas
-Last, Outermost, Stratum Corneum

Question 8

The Dermis is divided into two layers

Answer 8

-Papillary layer, thin layer of connective tissue
-Reticular layer, makes up 80% of the thickness of the dermis layer

Question 9

Deepest layer is called…

Answer 9

The hypodermis

Question 10

Skin color is determined by three different pigments

Answer 10

-Melanin, Protein pigment, reddish yellow to brownish black
-Carotene, yellowish hue
-Hemoglobin, gives fair skin a pinkish hue from the red coloring of oxygenated red blood cells

Question 11

Accessory Skin Structures

Answer 11

-Hair
-Nails
-Oil and Sweat Glands