20 Things You May Not Have Known About Semen - Real sperm

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Find human sperm stock images in HD and millions of other royalty-free real Human Sperm and cell bodies photomicrograph viewed under a x objective. Sperm competition is a form of post-copulatory sexual selection whereby male ejaculates a physiological response to the high cost of sperm production as it relates to the actual or perceived risk of sperm competition at each insemination.

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By Mezirg - 07:31
Some people use the terms sperm and semen interchangeably. But sperm cells are only one component. Semen also contains substances from the prostate and​.
By Dishura - 22:07
The idea that millions of sperm are on an Olympian race to reach the egg is long after much of the real science had been set in stone, that the.
By Tujora - 04:18
Semen texture varies widely from person to person. Your unique biology Which sperm and pregnancy myths are true and which are false?
By Mubei - 08:43
There is one group of animals in which genuine sperm warfare might actually occur: Lepidoptera. Butterflies and moths make up this order of.
By Faushakar - 04:25
The Real Sperm Killers. Often the cause for male infertility isn't known. But there are certainly some usual suspects. By Michael O. Schroeder.

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