Animal Heart Facts
Animal Heart Facts
Hummingbird hearts, depending on species, beat in excess of 6,000 times in a minute.
The Pygmy Shrew which can fit in your thumbnail, eats three times its own weight everyday to maintain metabolism,
Giraffes have multiple valves in their necks and the highest blood pressure of any mammal: 280/ 180 mm mercury.
Elephant hearts beat around 30 times per minute at rest - less than half the human.
The heart of a blue whale is as big as a car.
Animals with 3 chambers includes frog and lizards.
Birds and mammals have four chambers.
Octopuses have 3 hearts.
Dogs have larger a larger heart to body mass ration than all other mammals.
Pythons heart grow bigger at meal times.
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