The term sperm is derived from the Greek word sperma (meaning "seed" and refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size
of the gametes with the smaller one being termed the "male" or sperm cell.

A uniflagellar sperm cell that is motile is referred to as a spermatozoon, whereas a non-motile sperm cell is referred to as a spermatium. Sperm cells cannot divide and have a limited life span, but after........read more>>>>>>>>http://planehealth..com/2013/05/healthy-sperm-benefits-and-uses.html