Sperm: A sperm is the male "gamete" or sex cell. It combines with the female "gamete," called an ovum, to form a zygote. The formation process is called "fertilization." (see ovum, zygote).
CONTINUE SCROLLING OR CLICK HERE
QUESTION
Testosterone is a chemical found only in men. See AnswerHealth Solutions From Our Sponsors
Reviewed on 3/29/2021