Accomplishments and Records

A Biological Reason for a Dog’s Love


#dogs #hearts #body mass #funfacts

Although the blue whale holds the record for the largest heart of any creature on the planet, its heart consists of a mere 0.12 percent of its entire body mass. Most animals — including humans — have a heart-to-body ratio 0.6 percent. The undisputed champion in this category should not be surprising. Man’s best friend, the dog, has the largest heart-to-body ratio in the animal kingdom. The canine’s overflowing, love-giving heart makes up 0.8 percent of its body.

It should also come as no surprise that the heart-to-body mass ratio for the household cat comes in at 0.35 percent.


Read more fun facts about dogs.

Read more fun facts about cats.

Read more fun facts about hearts.

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