Download or read book Pump It Up written by Joanne Randolph and published by Enslow Publishing, LLC. This book was released on 2017-07-15 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The heart is a vital organ in the human body. Diagrams and full-color photographs and illustrations, paired with accessible and informative text, showcase how the heart works and what its job is in the human body.