A small child could swim through the veins of a blue whale. - FactzPedia

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A small child could swim through the veins of a blue whale.

A small child could swim through the veins of a blue whale.

Heart of the blue whale is the same size as the Mini Cooper. ... Blue whale's major arteries and veins are so large that small child can pass through them. Blue whales swim 5 miles per hour, but they can accelerate to 30 miles per hour when threatened.

In order to get blood through the blue whales large body it has massive arteries, which pump blood through the heart and into its major vital organs. The arteries are so large in fact that a full size human could swim through them. ... In terms of size the blue whales heart is about the size of a small car.

The heart is approximately 5 feet (1.5 meters) long from the top of the aorta to the lowest chamber, weighs 400 pounds (181 kilograms) and can pump 58 gallons (220 liters) of blood through a blue whale's body with every beat. Miller points out that it's not as big as some scientists have suspected.

The heart weighs 400 pounds (181 kilograms), is about 5 feet (1.5 metres) long, and - when in action - pumped about 60 gallons (227 litres) of blood through the blue whale's veins every single heart beat.

Blue whales are the largest animals to have ever existed. Learn why they're larger than any land animal and why they were hunted for years. A blue whale's tongue alone can weigh as much as an elephant—its heart as much as an automobile. Earth's largest animal, the blue whale can eat some 4 to 8 tons of krill per day.

25 to 37 beats per minute
Related: 15 of the Largest Animals of Their Kind

 Back at the surface, the whale's heart rate accelerated to a blistering 25 to 37 beats per minute, rapidly charging the animal's bloodstream with enough oxygen to support the next deep dive.

20 miles away
From 20 miles away you can hear a blue whale's heartbeat. The biggest heart in the world beating in the largest mammal.

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