Why the testes in human beings and mammals are situated outside the abdominal cavity within a pouch called scrotum?

  • A

    There is not enough space in the pelvic area for the testicles to be housed internally

  • B

    The scrotum helps in maintaining the low temperature of testes, $2.5°C$ lower than normal body temperature required for spermatogenesis

  • C

    The scrotum helps in maintaining the high temperature of testis, $2.5°C$ higher than the normal body temperature required for spermatogenesis

  • D

    Providing more space for the growth of epididymis

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