why the temperature of the scrotal sac is 2 degrees lower than the body temperature
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It is lower because the sperm cells require a temperature of 30°C to survive which is 2° lower than the body temperature.
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The temperature of the scrotal sac has to 2 degrees lesser than that of the body because the sperms need a colder living environment for surviving and also for multiplying.
Thus naturally the scrotal sac has been outside the abdominal cavity for lesser temperature.
Also a survey has shown that in Europe Australia and Northern America a man has a higher amount of semen or sperm count during copulation after ejaculation than an Asian African or South American Man.
Thus naturally the scrotal sac has been outside the abdominal cavity for lesser temperature.
Also a survey has shown that in Europe Australia and Northern America a man has a higher amount of semen or sperm count during copulation after ejaculation than an Asian African or South American Man.
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