Wednesday, July 29, 2009

ANSWER - Tuesday Trivia: Animals

What creature's heart is larger than that of any other warm-blooded animal in proportion to its size?

The hummingbird's. Its heart, the size of a pencil eraser, accounts for as much as 2.5 percent of its body mass. By contrast, a blue whale's heart, the largest of any animal, accounts for 0.5 percent of its size.

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