Chapter 10: Homeostasis

Question 1

skin is derived from which germ layer

Answer 1

ectoderm

Question 2

layers of skin (deepest to surface)

Answer 2

hypodermis (subcutaneous), dermis, epidermis

Question 3

strata

Answer 3

the layers (in this case of the epidermis)

plural

Question 4

strata (layers) of the epidermis

list 5

Answer 4

Question 5

which strata/layer is only present in the think skin of th palms and foot soles

Answer 5

stratum lucidum

Question 6

the dermis is composed of [..] tissue

Answer 6

connective

Question 7

the dermis is composed of …

5 things…

Answer 7

sensory receptors
blood vessels
hair follicles
sweat glands
sebacious glands

Question 8

the hypodermis is composed of […] tissue

Answer 8

adipose

Question 9

function of hypodermis

2 things…

Answer 9

insulation
shock absorption

Question 10

layers of the dermis (outer → inner)

Answer 10

papillary layer

reticular layer

Question 11

arrector pilli muscles

Answer 11

a tiny muscle connected to each hair follicle and the skin

Question 12

pilli meaning

plural pilus

Answer 12

hair or hairlike structure

Question 13

thermoregulation

Answer 13

mechanisms by which the body maintains an optimal body temperature

Question 14

2 main methods decreasing body temperature

when the body gets too hot

Answer 14

production of sweat
vasodilation of capilliaries near the skins surface

Question 15

3 main methods of increasing body temperature

when the body gets too cold

Answer 15

shivering
vasoconstriction of capilliaries near the skins surface
piloerection (straight hair)