Question

part a assessments
match the structures in column a with the descriptions and functions in column b. place the letter of your choice in the space provided.
column a
a. apocrine sweat gland
b. arrector pili muscle
c. dermis
d. epidermis
e. hair follicle
f. keratin
g. melanin
h. merocrine sweat gland
i. sebaceous gland
j. sebum
k. stratum basale
l. stratum corneum
column b

1. oily secretion that helps to waterproof body surface
2. outermost layer of epidermis
3. become active at puberty in axillary and groin regions
4. epidermal pigment
5. inner layer of skin
6. responds to elevated body temperature
7. general name of entire superficial layer of the skin
8. gland that secretes an oily mixture
9. tough protein of nails and hair
10. cell division and deepest layer of epidermis
11. tubelike part that contains the root of the hair
12. causes hair to stand on end and goose bumps to appear

Explanation:

1. Sebum is the oily secretion for waterproofing.
2. Stratum corneum is the outermost epidermis layer.
3. Apocrine sweat glands become active at puberty in axillary and groin.
4. Melanin is the epidermal pigment.
5. Dermis is the inner skin layer.
6. Eccrine (Merocrine) sweat glands respond to high body - temp.
7. Epidermis is the general name for the superficial skin layer.
8. Sebaceous gland secretes an oily mixture.
9. Keratin is the tough protein in nails and hair.
10. Stratum basale has cell division and is the deepest epidermis layer.
11. Hair follicle is the tubelike part with hair root.
12. Arrector pili muscle causes hair to stand and goose - bumps.

Answer:

1. j. Sebum
2. l. Stratum corneum
3. a. Apocrine sweat gland
4. g. Melanin
5. c. Dermis
6. h. Merocrine sweat gland
7. d. Epidermis
8. i. Sebaceous gland
9. f. Keratin
10. k. Stratum basale
11. e. Hair follicle
12. b. Arrector pili muscle