The goal of a sperm cell is to fertilize an egg. The journey begins with millions of sperm cells that are released into the female reproductive tract during intercourse. The fluid contains elements which protect the sperm cells during their journey towards the egg.
Sammy the sperm travels from the the sperm duct to the urethra, there he is mixed with a secretion from the prostate gland containing.
Once these cells were made, they would wait to be released from the testicles. Sometimes, they would wait so long that they dissolved. Other times, they would.