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Entry for June 26, 2008

How big is the heart?

The heart is a hollow, muscular organ that is roughly the size of a man's fist, averaging approximately 5 inches in length, 3.5 inches in width, and 2.5 inches in thickness. It weighs about 10.5 ounces in the male and 8.75 ounces in the female.

2008-06-26 10:27:05 GMT
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