Explains the processes by which a hamburger and other foods are used to make energy, strong bones, and solid muscles as they pass through the digestive system.
With simple words, lively pictures and a description of a game that two can play, the young reader is shown what he can discover by exercising the sense of touch.
Explains the processes by which a hamburger and other foods are used to make energy, strong bones, and solid muscles as they pass through the digestive system.