"Why do I vomit?" . . . . "Juvenile works" . . "Answers common questions about the dygestive system." . . . . . . . . "Answers common questions children may ask about digestion. Includes: what happens to the food eaten, shapes and function of teeth, stomach size, vimiting, how long does food stay in the body, undigested food, rumbling stomach, do I need to eat vegies, feeling thirsty, and is eating fat bad?" . . . . . . . . "Why do I vomit? : and other questions about digestion" . . . . . "Juvenile Literature." . . "Intestines." . . "Stomach." . . "Digestive Physiology." . .