January 15,20l3

431 6 0
                                    

Sperm whales can dive as deep as two miles into the water, and their bodies have unique physiological adaptations to allow them to survive the intense cold and crushing pressure of these dives. They can limit circulation to the brain and other organs, slow the heart to 10 beats per minute to conserve oxygen, and collapse the lungs and rib cage to withstand pressure.

____________________________________________________________________________

Random fact of the dayWhere stories live. Discover now