Heart notes

Your heart is an extremely strong pump. It sends out the blood that nourishes your body. Each day it pumps enough blood to fill a 4,000 gallon car!

· Made of 2 pumps not 1
· Weighs ten ounces
· 5 ½ inches long
· 3 ½ inches across 4 parts right atrium left atrium, right ventricle, left ventricle
· Left pushes blood right pushes it in