by NationalGeographic (Author), RobWaring (Author)
The human body is an amazing 'machine' made up of different systems that allow us to do things like run, eat, and even breath. These systems work together to keep the body functioning normally and healthily. How does the human body actually work? What jobs do the systems perform?
Format: Paperback
Pages: 32
Publisher: Heinle
Published: 26 Feb 2009
ISBN 10: 1424012252
ISBN 13: 9781424012251