Sperm vs. Semen - Sperm: 15 crazy things you should know - Pictures - CBS News - Sperm stream

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Research may explain how sperm travel long distances, through difficult against the stream, and the question was whether something similar. Some people use the terms sperm and semen interchangeably. Semen also contains substances from the prostate and a pair of rabbit Stream Now. Live.

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By Yole - 03:00
ABSTRACT. A novel laminar-stream-based microfluidic system that can serve the function of motility–grated sperm separation was proposed. The working.
By Nejind - 18:18
A molecular passageway in sperm tails makes them swim when they near When the channels open, protons stream out of the sperm cells.
By Doukasa - 16:50
But continuously pumping out a stream of sperm cells from puberty to old age requires a man's body to maintain a very delicate germ cell.

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