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Yes it can. It can shrink a small amount with age, and it will temporarily shrink when the body is cold. The whole reason the penis and the testicles are located outside the body is that the sperm cells need to maintain a certain temperature. When the weather is cold, or you're in cold water, the penis and scrotum will shrink up to be closer to the body, where it is warmer. The cremaster muscles will also pull the testes further into the body.

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11y ago

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