Your heart is a single organ, but it acts as a double pump. The first pump carries oxygen-poor blood to your lungs, where it unloads carbon dioxide and picks up ... www.bbc.co.uk |
The heart is called a double pump because, while one pump carries blood to the lungs, the other pump transports blood to the rest of the body. That is, the ... uk.ask.com |
The heart have two side that right side contain De-oxygenate blood and left side contain Oxygenated blood. They pump both side at the same time that they call ... wiki.answers.com |