Yeah, we evolved that way because it's apparently slightly more advantageous to keep sperm just slightly colder than internal body temperature, even though it creates a higher risk of injury. An intelligent designer would have made sperm that can handle warmer temperatures.
Yeah, we evolved that way because it's apparently slightly more advantageous to keep sperm just slightly colder than internal body temperature, even though it creates a higher risk of injury. An intelligent designer would have made sperm that can handle warmer temperatures.