homeostasis Flashcards
1
Q
when do body cells work the most efficiently ?
A
when they are at the appropriet temprature, pH, correct concentration of nutrient and water
2
Q
what does homeostasis mean?
A
keeping the internal enviroment constant
3
Q
what are the conditions for the body to be kept stable ?
A
. water content kept constant
. waste chemichals removed
. body temprature remain constant
. glucose levels remain constant
4
Q
what are hormones?
A
chemical messengers that control many body functions, they are proteins
5
Q
what are hormones produced by?
A
produced by glands , carried by the blood
6
Q
what is insulin ?
A
a hormone that controls blood glucose levels