Why Does the Heart Pump Blood?

Answer

The heart continuously pumps blood around the body in order to facilitate movement of oxygen, nutrients and waste products to and from the tissues. It pumps oxygen rich blood from the lungs to the tissues and carbon dioxide rich blood to the lungs from the tissues.
Q&A Related to "Why Does the Heart Pump Blood"
The heart is divided into an upper area called the atria and a lower portion called the ventricle. In addition, these are divided into left and right sides, creating four major chambers
http://www.ehow.com/how_5422250_cardiac-muscle.htm...
The heart contracts to push blood out, and expands as blood already sent around the body is pushed back into the heart. I believe they are called LUBS and DUBS, feel free to correct
http://wiki.answers.com/Q/How_is_blood_pumped_into...
5 litres per minute = 300 litres per hour = 7200 litres per day. During excercise this can increase to 30 litres per minute = 1800 litres per hour = 43,200 per day but this would
http://wiki.answers.com/Q/How_much_blood_does_and_...
the heart pumps to the brain to keep it going.
http://wiki.answers.com/Q/How_does_the_heart_pump_...
Explore this Topic
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 heart's ...
The heart is referred to as a double pump because it pumps both oxygenated and deoxygenated blood without mixing them. The right side pumps deoxygenated blood ...
The heart is referred to as a double pump because it is divided into two sides, with one containing oxygenated blood and the other deoxygenated blood. One pump ...
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