Identify the normal range of cardiac output and determine if Mary stays within normal limits with competing. Explain what factors determine cardiac output.

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle

It has been an olympic event since 1972

Im eating breakfast rn.