After exercise muscles fill up with lactic acid. a cool down is always essential after exercise. preferably stretching to release the acid which causes muscle pain.
you will fly
Many reasons: Putting too much exertions on weak muscles working out or lifting wrong heavier: therefore more strain on muscles
The muscles will atrophy (shrink) if not used.
we need execise to have a strong bodies..
we need execise to have a strong bodies..
you excersise
They contract
The main thing that physiologically happens to the heart rate during exercise is that is increases. This is as a result of the need for more oxygen during physical exercise which requires the heart to pump more blood.
you will die
you exhale (:
contrast
should you do sauna before execise