lundsdotter: The strongest ‘pound for pound’ muscle is the uterus: it weighs around 2 pounds but during childbirth can exert a downward force of 400 Newtons, which is one hundred forty times as strong as gravity and equivalent to the power in a
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lundsdotter: The strongest ‘pound for pound’ muscle is the uterus: it weighs around 2 pounds but during childbirth can exert a downward force of 400 Newtons, which is one hundred forty times as strong as gravity and equivalent to the power in a
