Ms. Frizzle's class learn about the incredible systems that work together to make the human body function.

"A nonfiction companion to the original Magic School Bus series" --Front cover. "Based on The Magic School Bus series"--Title page verso.

Inside a cell -- Skin, hair, and nails -- Bones and muscles -- Brain -- Nervous system and senses -- Eye -- Ear -- Mouth and nose -- Digestive system -- Blood and circulation -- Heart and lungs -- Taking care of your body -- Incredible body facts -- Body experts.