What order does blood flow through the heart and body? Use the terms listed below. Background image for dragging markers onto Superior, Inferior, Right Atrium, Right Ventricle, Left Atrium, Left Ventricle, Pulmonary Artery, Left Atrium, Left Ventricle, Atora, Arteries, Capaillaries, Veins

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)

This is true! hope this : ))