The frontal lobe helps the body cope with stress and promotes muscle development ?

The frontal lobe helps the body cope with stress and promotes muscle development. ... The frontal lobe releases norepinephrine that speeds up bodily processes such as heart rate and breathing rate.

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy