This book describes the location, parts, and functions of the heart.

Presents information about the digestive system, looking at the tongue, esophagus, stomach, and intestines that compose it, as well as how they work together to keep the body healthy.

Join Professor Robert Winston and introduce your child to the most powerful, complicated computer network that exists - their brain. From what the different parts of the brain do and why it changes at different stages in a person's life, to why sleep is so important for us. Packed with amazing illustrations and fascinating facts like why bird song is similar to human speech and what makes animals yawn. As well as fun brain teasers to test your child's...

"... provides a detailed look at the topic of the human body, covering of the body's major systems and organs, as well as looking at the cellular level and at the genetics that play a part in making us who we are."--Provided by publisher.

"Describes the science behind body functions that keep people alive"--Provided by publisher.

"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.

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...