Question

what happened to your breathing rate when you
a) exercise ?
b) go to sleep ?

Answer 1

a) it increases
b) it decreases or slow down

Answer 2

when you exercise your heart pump extra food and oxygen to blood .breathing speeds up to get more oxygen and to get rid of carbon dioxide
and when you sleep during non REM sleep (about 80%of adult sleeping time )you breathe slowly and regularly but during REM sleep your breathing rate goes up again ....