Description Join award-winning science writer Seymour Simon as he explores one of the most important systems of the human body: the digestive system Ever wonder how food like pizza or spaghetti moves through our body? It all happens in our digestive system, otherwise known as our guts.
In this Revised edition, featuring clear text and stu.
Working twenty-four hours a day, it makes sure the food we eat turns into energy, nutrients, and waste.
Description Join award-winning science writer Seymour Simon as he explores one of the most important systems of the human body: the digestive system Ever wonder how food like pizza or spaghetti moves through our body? It all happens in our digestive system, otherwise known as our guts
