A puppy finds its way to the kitchen trash and eats three slices of old sandwich meat. An hour later, the puppy begins to vomit. Which explanation best describes why this happens?

A. In order to maintain balance, an organism will vomit to get rid of excess water in the body.
B. Vomit is necessary for the body to raise the temperature high enough to produce a fever.
C. In order to maintain balance, an organism will vomit to get rid of ingested bacteria or other pathogens.
D. Vomit is necessary for an organism to produce extra hydrochloric acid in the stomach.