Dr. Brain and Geo board a ship that shrinks down to microscopic size and gets swallowed by Geo's friend Phoebe, trapping them in her stomach where they learn all about how the digestive system works.
Food is the body's fuelbut what happens to each yummy mouthful from the moment you take a bite? The Stickmen unravel the long process of digestion carried out by your winding system of guts. Learn about your stomach and its army of acids, the chemical powerhouse in your liver, and your busy kidneys that keep you toxin-free. Find out how you get energy and heat from food and how your body gets rid of the stuff it doesn't need.
An introduction to the digestive process, including how the saliva starts the process and how the stomach and intestines break down food so it can be digested properly. Also covers the digestive system of animals. In Spanish.
An introductory guide to the digestive system, describing the function of related organs--including the stomach, intestines, and kidneys--and explains the path that food travels through the human body.
Explains how the digestive system works, discusses its role in the human body, problems that can affect the digestive system, and how to develop healthy habits.
An introduction to the structure and function of the human digestive system, explaining how the mouth, esophagus, stomach, small intestine, large intestine, and rectum work together to process food and eliminate waste.