Yes, sperm prefer lower body temperature.
- This is 5.4ºF (3ºC) below normal body temperature of 98.6ºF (37ºC).
- But testicles can get too cold for good sperm production.
- Cold temperatures cause the scrotum and testicles to retreat up toward the body.
What is sperm?
- Sperm, also called spermatozoon, plural spermatozoa, male reproductive cell, produced by most animals.
- With the exception of nematode worms, decapods (e.g., crayfish), diplopods (e.g., millipedes), and mites, sperm are flagellated; that is, they have a whip like tail.
- Sperm is the male reproductive cell, or gamete, in anisogamous forms of s exual reproduction.
- The male reproductive system creates sperm that is manufactured in the seminiferous tubules within each testicle.
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