Being active is essential to keeping the heart and lungs healthy. Those two organs have a lot to do with the overall health of the body, and they need to be taken care of! Readers discover the intrica
Muscles do a lot more than make people strong. They help people move and can even keep them warm. The human body depends on muscle to survive. The exciting question-and-answer format of this book touc
Why don’t women have beards? Why do we get chapped lips? This book about the workings of the human body will answer these questions and more! Readers will explore the splendidly strange ins and outs o
The human body is an amazing machine made up of many fascinating systems. This fun, fact-filled book features a series of questions and answers about how the human body works. Readers will learn what
From learning about what an organ is, to how a body digests food, readers will discover the inner workings of the body in this book about organs and their functions. Readers will explore the brain, he
Body growth begins at the cellular level. From the start of life to the growth spurts of teens, it’s the tiny, basic units of life that make everything people do possible. Much about our cells and DNA
The brain is the most important organ in the body, but there’s so much scientists still don’t know about it. Its main connection is to the nervous system, which helps it tell the rest of the body what
