Which digestive organ is the last organ food passes through before reaching your stomach

Esophagus is the tube directly above the stomach below the mouth

It would be b. distress

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)