human nervous system 2 Flashcards
1
Q
what does your body is when you’re too hot?
A
sweat or vasodilation happens
2
Q
what happens to your body when you are too cold?
A
hairs stand up, no sweat, vasoconstriction and shivering
3
Q
why is sweat produced when you’re too hot?
A
the sweat evaporates cooling you
4
Q
what is vasodilation?
A
where the blood vessels in the skin dilate which means heat can transfer out of the blood
5
Q
how does shivering help?
A
your muscles contract which increases respiration which makes heat
6
Q
what is vasoconstriction?
A
when the blood vessels in the skin constrict to decrease heat loss
