Did You Know: Heartbeats Are Inversely Proportional To The Size

African Elephant Image Source: 8thingstodo.com
African Elephant Image Source: 8thingstodo.com

The rate at which a species’ heartbeats is inversely proportional to the size of that species.Smaller the size of a living being greater is the speed of its heartbeats.

The average weight of an African elephant is about 3500 kg, but when it is in a stationary position its rate of heartbeats is not more than 25/minute.

African Elephant <i>Image Source: 8thingstodo.com</i>
African Elephant Image Source: 8thingstodo.com

The heaviest animal in the animal kingdom is the Blue Whale that weighs around 100,000 kg but it has the minimum pulse rate of just 9/minute.

Blue Whale <i>Image Source: Infosthetics.com</i>
Blue Whale Image Source: Infosthetics.com

Whereas the highest pulse-rate is that of the Blue-throated humming bird, its body weight is merely 9-10gm, but its heart beats at a whooping rate of about 1260 beats/minute.

Blue Throated Humming Bird <i>Image Source: desertwing.blogspot.com</i>
Blue Throated Humming Bird Image Source: desertwing.blogspot.com

The blood pressure of an animal is directly proportional to its height;the brain of an African giraffe is at a height of nearly 2 Meters[5.5 feet] so the systolic pressure of its blood flow is 260

African Giraffe <i>Image Source: true-wildlife.blogspot.com</i>
African Giraffe Image Source: true-wildlife.blogspot.com

… and that is normal whereas in case of human beings the normal systolic blood pressure stands to be 120 and it should not be more than 140.

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