| − | A flagellated cell that serves as the male gamete in fertilization. | + | A flagellated cell that serves as the male gamete in fertilisation. Sperm are produced in large quantities by males in their [[testes]] and are stored in the [[epididymis]]. Their part in human [[reproduction]] is amongst the most amazing feats of nature due to the intense and exhausting journey sperm to make up the [[vagina]], [[uterus]] and [[fallopian tubes]] in order to reach the [[ovum]] and fertilise it. Sperm leave the male body as a component of [[semen]] during [[ejaculation]]. |