DEFINE SPERMS ? DEFINE ITS FUNCTIONS?
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sperm(spermatozoa)is also known as male gamete and it's structure is divided into three parts namely head, middle piece and tail
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the sexual maturity in human Males is attained around the ages of 14 to 15 yrs. sperms aate produced in millions by the teste . they are very small in size. each sperm consist of a head, tail and a middle piece. sperm swim in the semen with the help of a tail
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