Homostasis Flashcards
0
Q
Vasodilation
A
Blood vessels close to the skin widen
This allows more blood to flow to the near the surface so it can radiate more heat into the surroundings
1
Q
Vasoconstriction
A
Blood vessels near the surface constrict so that less heat can be transferred from the blood to the surroundings
2
Q
What does your skin do when too hot
A
Sweat is produced when it evaporates it transfers heat from you to the environment cooling you down
Vasodilation
Hairs lie flat letting heat escape
3
Q
What even is homeostasis
A
The maintenance of a constant internal environment
4
Q
What does your skin do when you’re too cold
A
Very little sweat produced
Vasoconstriction
You shiver the movement generates heat in the muscles
Hairs stand on end to trap an insulating layer of air to keep you warm
