What the human heart can do

"The heart is really a miraculous organ. It beats 72 times a minute throughout our life, which means billions of times in our lifetime.

http://www.cnn.com/2013/05/24/health/lifeswork-roberto-bolli-heart/index.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2Fcnn_health+%28RSS%3A+Health%29