Describes how your teeth, stomach, intestines, and other body parts work together to turn food into the fuel your body needs to keep you thinking, talking, moving, and playing.
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.
Briefly discusses the various ways plants and animals obtain and utilize food, describes the human digestive system and what happens to a roast beef sandwich when it is eaten, and explains the principles of nutrition.
An introduction to the digestive system that describes the different parts of the digestive system and how they work together and examines various diseases that can impact digestion.