Human could crawl through the aorta of blue whale

blue whale heart

Blue whale has the largest heart of all the animals in the earth, which can weigh up to 1,500 lb (680 kg) and just needs to beat 6 times per minute; blue whale’s heart is as big as a small car that human can crawl through its main blood vessel.

And blue whale’s tongue is heavier than an elephant.

Thank goodness they don’t like to eat human.

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