The human heart beats more than 86,000 times a day, 35 million times a year. An organ that works that hard is bound to fail, so scientists are enginee...
Source: http://rss.cnn.com/~r/rss/cnn_health/~3/-kwSwyyVdN8/index.html
The human heart beats more than 86,000 times a day, 35 million times a year. An organ that works that hard is bound to fail, so scientists are enginee...
Source: http://rss.cnn.com/~r/rss/cnn_health/~3/-kwSwyyVdN8/index.html
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