Integumentary System

Question 1

integument

Answer 1

skin- largest organ in the body

Question 2

androgen

Answer 2

generic term for an agent that stimulates development of male characteristics

Question 3

ductule

Answer 3

very small duct

Question 4

homeostasis

Answer 4

state of equilibrium of the internal environment of the body despite changes in the external environment

Question 5

synthesize

Answer 5

forming a complex substance by the union of simpler compounds or elements

Question 6

Skin

Answer 6

-2 layers: Epidermis & Dermis
-protects underlying structures from injury
-provides sensory information to the brain
-nerve fibers beneath the skin’s surface register sensations of temperature, pain, and pressure
-protects the body against ultraviolet rays
-regulates body temperature
-prevents dehydration
-reservoir for food and water
-synthesizes vitamin D

Question 7

Epidermis

Answer 7

-outer layer of the skin
-thickest on palms and soles of feet
-sublayers called strata

Question 8

Stratum Corneum

Answer 8

-dead, flat cells that lack blood supply and sensory receptors

Question 9

Basal Layer

Answer 9

-living cells where new cells are formed
-rise to surface
-become keratinized
-sloughed off

Question 10

Keratin

Answer 10

prevents body fluids from evaporating and moisture from entering the body