I. , a, b, c, d
II, f
III, h, j, u, v, w
1


1
I., a, c, d
II
III, g, l, u
1


1
I, a, b, c, d
II, A, j, x, h, n & o
III, u
1


1
Eccrine Sweat gland
1
secretes water, salt, urea
1
Apocrine Sweat Gland
1
water, salt, urea, proteins and fat-rich substances
1
sebacoeus (oil) gland
1
sebum
the most abundant epidermal cells,
and their main function is to produce keratin
Keratinocytes
1
spidery black cells that produce the brown-to-black pigment called melanin
1
melanocytes
1
functions of the integumentary system
1
protection
insulates and cushions
prevents water loss
temperature regulation
1