Biologists discover the Burmese python can expand the size of its heart to cope with extra metabolic demands of eating big meal. CBC News · Posted: Mar 03, 2005 6:01 PM EST | Last Updated: March ...

Pythons can eat up to quarter of their body weight, or 40 pounds, in one meal. It turns out those huge meals make their hearts stronger and may offer insight into how to treat heart disease in humans.