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Fun Facts About Animal Hearts

KkCabobo
By KkCabobo | self meida writer
Published 8 days ago - 0 views

Fun Facts About Animal Hearts


But not the arrow-through-the-heart Cupid kind. The amazing animal kind – from hummingbirds to whales, big and small, fast and slow. Here are some fun facts about hearts in the animal kingdom:

  • A hummingbird’s heart rate can reach up to 1,000 beats per minute in some species


  • A blue whale’s heart weighs about 400 pounds


  • A cheetah’s heart rate can speed up to 250 beats per minute within seconds


  • Octopuses have three hearts


  • Although coronary artery disease is common in people, it is rare in cats and dogs


  • Zebrafish can regenerate their hearts


  • A seal’s heart rate can go as low as 10 beats per minute during an extended underwater dive


  • Mammals have four-chambered hearts, many reptiles have hearts with three chambers and fish have just a two-chambered heart


  • Giraffes have the highest blood pressure of any mammal, measuring a stratospheric 280/180


  • A cow’s heart is the size of a human head


  • Starfish, sea cucumbers and jellyfish seem to do fine with no heart at all – what do they send to their significant others on Valentine’s Day?


  • The fairyfly has the smallest heart of any living creature the world which ranges from 0.139 to 0.55mm only.


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Content created and supplied by: KkCabobo (via Opera News )

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