Dolphins conserve oxygen and prevent dive-related problems by consciously decreasing their heart rates before diving

Dolphins actively slow down their hearts before diving, and can even adjust their heart rate depending on how long they plan to dive for, a new study suggests. Published in Frontiers in Physiology, the findings provide new insights into how marine mammals conserve oxygen and adjust to pressure while diving.

from Phys.org - latest science and technology news stories https://ift.tt/2KEtCnP

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