What is the name of the parasite that eats away at your stomach tissues? i really need to know because this is a

Hookworms, Roundworms, and also tapeworms can eat away at stomach tissue.

Hookworms , round worms & even tapeworms eat away at your stomach

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)