Hold out your hand and make a fist. If you're a kid, your heart is about the same size as your fist, and if you're an adult, it's about the same size as two fists. Your heart beats about 100,000 ...
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Your Fist vs. Your Heart: The Surprising Connection!The idea that the heart is about the same size as a person's fist comes from anatomical observations. When looking at a human heart, its general size closely matches the size of the clenched fist ...
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