Biology ch 11 Flashcards
1
Q
system specifically designed for homeostasis
A
endocrine system
2
Q
covers the outside of the body
A
skin 35 words, 22, 30, 77,49
3
Q
part of the skin exposed to the environment
A
epidermis
4
Q
when the immune system attacks epidermal cells, causing them to be formed and discarded too rapidly
A
psoriasis
5
Q
tough, waterproof protein fiber
A
keratin
6
Q
pigment
A
melanin
7
Q
most complex layer of skin
A
dermis
8
Q
are two protein fibers produced by connective tissue located in the dermin
A
elastin and collagen
9
Q
the layer underneath the dermis, is a fatty layer of loose connective tissue which binds the skin to the underlying organs, acts as an insulator as well as a shock absorber
A
subcutaneous layer
10
Q
protects the body from the harmful ultraviolet rays of the sun
A
tanning
