Sperm can occasionally survive, viably, in a variety of environments for a fair amount of time (basically, think of how long viruses can sometimes last out outside the human body).
And all it takes is for one successful little swimmer to make it to the goal.
Sperm can occasionally survive, viably, in a variety of environments for a fair amount of time (basically, think of how long viruses can sometimes last out outside the human body).
And all it takes is for one successful little swimmer to make it to the goal.