The Human Heart A Newton's Odyssey Lab Exercise Information about the Heart Click on each part of the heart to find out more The Human Heart beats an average 2.5 billion beats per year. The first Heart was transplanted in 1967.
Cholesterol is actually a complex form of alcohol.
Some Cholesterol is actually good for you, it is called Around 300 BC a Greek anatomist traced the flow of blood in the body. Click here for some more interesting heart facts. Click here for some interesting heart graphics. The heart is the hollow muscular organ that receives blood from the veins and propels it into and through the arteries . The human heart is about the size of a closed fist.