The Circulatory System

by Sue Barraclough

Published 9 June 2008
Your body is amazing! There are parts you can see and parts under your skin that you can't see. These parts work together to keep you alive and help you to do incredible things. You can feel your heart beating in your chest. Have you ever wondered why it does? Read this book in the 'Body Systems' series to find out!

The Respiratory System

by Sue Barraclough

Published 9 June 2008
Your body is amazing! There are parts you can see and parts under your skin that you can't see. These parts work together to keep you alive and help you to do incredible things. You need to breathe to stay alive. Have you ever wondered why or wanted to know what happens to the air you breathe in? Read this book in the 'Body Systems' series to find out!