changed after leaving the stomach; fourth, it is changed in the lungs."

By what is it changed in the mouth?--"By the action of the teeth and the
saliva."

By what is it changed in the stomach?--"By the action of the stomach and a
kind of fluid called gastric juice."

By what is it changed after leaving the stomach?--"By the action of the
bile and the pancreatic juice."

By what is it changed in the lungs?--"Nobody knows."

Into what is it changed in the mouth?--"Into pulp."

Into what is it changed after leaving the stomach?--"Into chyle and waste
substance."

Into what is it changed in the lungs?--"Into blood."

What is the change in the mouth called?--"Mastication, or chewing."

What is the change in the stomach called?--"Chymification, or
chyme-making."

What is the change after leaving the stomach called?--"Chylification, or
chyle-making."

What is necessary, if you would have a healthy stomach?--"I must be careful
what kind of food I eat; how much I eat; and when I eat."