Integumentary System

Question 1

Functions of the skin

Answer 1

1. Maintain Homeostasis
2. Protection from pathogens
3. Excretes Waste
4. Houses sensory receptors

Question 2

Eccrine Glands

Answer 2

Found through the body except arm pit and groin, sweat under physical stress

Question 3

Apocrine glands

Answer 3

Found in groin and armpit, sweat under emotion.

Question 4

Epidemis

Answer 4

Thin outer layer, nutrients from the dernmis

Question 5

Stratum Basale

Answer 5

Deepest layer of epidermis, closest to dermis

Question 6

Stratum Corneum

Answer 6

Outer most layer of epidermis, composed of layers of dead skin

Question 7

Dermis

Answer 7

Thick inner layer composed of tissues, muscles, and blood

Question 8

Hypodermis/ Subcutaneous layer

Answer 8

Lies beneath the dermis, composed of loose connective tissues

Question 9

Melanin

Answer 9

Dark pigment that provides skin color; produced by melanocytes

Question 10

Factors that determine skin color + Hair

Answer 10

1.How much and type of melanin produced
2. Genetics
3. Enviroment
Physiological factors

Question 11

Keratinization

Answer 11

Older cells harden and move outward due to poor nutrient supply

Question 12

Goosebumps

Answer 12

Arrector Pili muscle contracts and hair stands on end for insulation and for emotion(Cat looking bigger)

Question 13

Lunule

Answer 13

Half moon shape area on nail