random

Question 1

lactic acid

Answer 1

-a toxic waste produced by the body when working anaerobically
-will make muscles ache or cramp
-have to rest to allow oxygen to get to your muscles so they can recover

Question 2

energy in food

Answer 2

-carbs
-fat
-protein

Question 3

carbohydrates

Answer 3

-source of energy used by body more easily than fat
-should make up 50% of our diet