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.
Thank you. Please kindly share and place your comments.
Content created and supplied by: KkCabobo (via Opera News )