![]() | ||||||
![]() | ||||||
| Guide to Heart Disease http://www.guideheartdisease.com | ||
| Description: | The heart is divided into four main chambers : each one is a bag of muscles with walls that are able to contract in order to push blood out. | |
| Category: | Health: Conditions and Diseases | |
| Date Added: | May 12, 2008 07:31:14 AM | |