While most mammals have long become comfortable to land, a neat - TopicsExpress



          

While most mammals have long become comfortable to land, a neat thing happens when your body or that of any mammal is submerged in water— instantly, your heart rate slows, blood begins to flow away from the limbs into the torso to combat the external pressure and oxygen is used more efficiently. Even just dipping your face in water for a few seconds will trigger this lowered heart rate. This entire combination of reactions can not only help to lower stress, but it makes it possible to dive to depths that otherwise might crush your lungs like tinfoil. ideas.ted/2014/06/25/science_of_freediving/
Posted on: Sun, 29 Jun 2014 00:53:35 +0000

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