"Introductory text explains the functions and physical concepts of the muscular system with color photography and simple scientific diagrams. Intended for students in grades three through six"--Provided by publisher.

Nervous System guides readers through the fascinating inner workings of the human body.

A close-up look at the body's largest organ.

The book explains the circulatory system and how the blood and its pathways operate.

Raina wakes up one night with a terrible upset stomach. Her mom has one, too, so it's probably just a bug. Raina eventually returns to school, where she's dealing with the usual highs and lows: friends, not-friends, and classmates who think the school year is just one long gross-out session. It soon becomes clear that Raina's tummy trouble isn't going away... and it coincides with her worries about food, school, and changing friendships. What's going...

"Answers common questions young readers have about the human body"--Provided by publisher.

Our bodies are food-processing factories that produce oils and gases and waste. From making sticky earwax and stinky sweat to letting out loud burps and embarrassing farts, this entertaining book describes why our bodies do the rude and hilarious things they do.

Presents information about the human body and how it works.

"Explores the real-world science and engineering related to Superman's super-strength"--