Which of the following is a physical change to food that occurs in the mouth?
O It is converted to chyme.
It is neutralized using basic compounds from the liver.
O It is formed into a bolus.
it is acidified using hydrochloric acid.
It is formed into a bolus. Think of the word "bolus" like "ball", once you chew your food and swallow it, it will be a vaguely ball-shaped clump by the time it reaches your stomach.