Homeostasis Flashcards
1
Q
Define homeostasis
A
Way in which body maintains a constant internal environment
2
Q
Why should body be kept at 37 degrees
A
Optimum temperature for enzyme activity, they would other wise become denatured
3
Q
State three ways the human body may react to an increase in temperature
A
Sweating, widening of blood vessels at skins surface, Body hairs lying flat on skin
4
Q
Ectotherm vs Endotherm
A
Ecto: organism whose body temp depends on external environment. Endo: produce heat from metabolic reactions
5
Q
Lipids: enzyme and products
A
Lipase, fatty acids and glycerol
