Nande July 5, at 9: The Sperm production in males is the channel that carries the semen to the outside of the body through the penis. Does that one night binge kill the sperm that would be ejaculated the next day or 2 or 3 days? The penis also contains a number of sensitive nerve endings. Circumcision is usually done during a baby boy's first few days of life. The head contains genetic material genes.