What is the function of the pancreas?

It converts food we intake into fuel for our body cells. It also helps our digestion and regulate the sugar level in our blood.

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)

Administration and victim