what is sperm ??? how it forms?
Nitinyadav8085:
Sperm is a germ cell it perform main role in fertilization
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sperm is the stem cell base excreted into a woman upon sexual climax, it is formed in the testis by the combination of the correct dna coding and substance progression and about 2 million sperm cells are made in one day by the average male American.
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That finger like structure called villi. And its functions is to transport the food from blood vessels to our body
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