What Is Sperm Transport?

Sperm, animal sperm and plant sperm. Male cells in sexual reproduction of animals, male germ cells of male animals, male gametes in heterozygous reproduction, haploid germ cells produced by sperm organs. Sperm in life refers more to male mature germ cells, which form in the testis. Semen is an organic substance. Semen contains fructose and protein, as well as some enzymes, inorganic salts and organic salts.

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Sperm, animal sperm and plant sperm.

Human male

Sperm, sperm, spermatozoa.

Japanese scientists have reported that during the spermatogenesis process, some cells can "return to old age" and reverse to stem cells. A press release from the Institute of Basic Biology of the Japanese Natural Sciences Research Institute says that the professor

What men eat sperm

Standing for a long time beware of sperm injury

Many people know that sedentary is not good for male reproductive health and may harm sperm. In fact, standing for a long time is also not good for men's health. In particular, men who work in teachers and service industries need more attention. Standing for a long time, it is easy to make the testicular venous blood return poorly and stay in the blood vessels, which can cause the scrotum veins to occlude.