Why scrotum usually hang a bit lower(than actually is) during Summer?
Added by Ivan D.
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The scrotum is a pouch of skin that contains the testicles. Show more…
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Why are the testicles kept outside of the body? Sperm production is more efficient at lower than body temperature. There's no reason for this. For protection. Earlier in human evolution, visible testicles helped males to sexually attract females.
Madhur L.
How does the position of the scrotum in a male's body protect sperm?
The testicles of male mammals are suspended in the scrotum because a. the optimum temperature for sperm production is less than the normal core body temperature of the organism. b. the optimum temperature for sperm production is higher than the normal core body temperature of the organism. c. there is not enough room in the pelvic area for the testicles to be housed internally. d. $\quad$ it is easier for the body to expel sperm during ejaculation.
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