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Why are sperm produced externally?

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Anonymous

15y ago
Updated: 8/17/2019

Sperm are produced externally because there is a certain temperature at which they survive. for this reason, when its cold, your testicles "shrink" to warm up and keep it at the required temperature. when its warm on the other hand, your testicles "drop" to drop the temperature

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Wiki User

15y ago

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