16.1 principles of homeostasis

Question 1

why is it important that a core pH & temperature be maintained?

Answer 1

prevent decrease in rate of reaction / denaturation of enzymes

Question 2

why is it important to maintain a constant blood glucose concentration in the body?

Answer 2

• changing water potential might cause cells to shrink / burst
• glucose acts as a slice of respiratory substrate

Question 3

what is the optimal point?

Answer 3

system works best

Question 4

what is a feedback mechanism (that detects changes & brings changes) called?

Answer 4

negative feedback