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Why are the human testes located outside...

Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.

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Human testes are responsible for the synthesis of male gametes (sperms) and they need slightly lower temperature than the normal body temperature for this function. Thus, testes are located outside the abdominal cavity in sac-like structure called scrotum. Its temperature is about 2-3° lower than the normal body temperature.
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