15-homeostasis Flashcards
(3 cards)
1
Q
what does homeostasis mean
A
maintenance of a constant internal environment
2
Q
how to reduce body temp?
A
- hair lies flat for insulation
- sweating, reduce body temp by evaporation
- vasodilation: when arterioles near the skin dilate.
3
Q
how is body temp increased?
A
- hairs standup
- less sweating
- shivering
- vasoconstriction
