Answer:
Bile pigment. (bilirubin)
Explanation:
It is letter C because if you rarely excercise you will feel more sore when you do, due to your muscles being not used to the work they are being put under
Answer:
A
Explanation:
All the other ones are safe options for the community
For most muscle activities it usually lasts at least 90 seconds in duration for you to solely rely with lactic acid.