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Why is the body's muscular system different in male and female?
Question Date: 2013-01-13
Answer 1:

It is because of sexual selection - in the distant past, the amount and placement of muscles that led to survival and reproduction in men was different than for women, due to the different roles that men and women had and the nature of the competition for mates. Now, the requirements of selection are different, but our evolutionary baggage from the past remains.

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