Join award-winning science writer Seymour Simon as he explores one of the most important systems of the human body: the digestive system This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children...
Join award-winning science writer Seymour Simon as he explores one of the most important systems of the human body: the digestive system This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children...
Why is it important tochew your food? Can you guess how long it takes for food to travel through your body? Could you possibly have twenty feet of small intestines? Where does that bad-smelling gas come from? Your digestive system is out of sight and out of mind -- until things...