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Is 290 pennyweights as heavy as a Human Heart?

It's about one-and-a-half times as heavy as a Human Heart
The weight of a Human Heart is about 200 pennyweights.
(human; adult)
The average human heart weighs about 200 pennyweights. Each minute, the heart pumps between 10 and 20 liters (3 to 5 gallons) of blood through its chambers.
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