sperm videos - XVIDEOS.COM - sperm how it come


Semen - Simple English Wikipedia, the free encyclopedia sperm how it come

Semen is made up of sperm (male cells for sexual reproduction) floating in a fluid called seminal plasma. Sperm, also called spermatozoa, are made by a man's testicles and mature (grow up) in the epididymis. The fluids in seminal plasma come from different glands in the man's body: the seminal vesicles, prostate and bulbourethral glands.

Sperm is the male reproductive cell. In the types of sexual reproduction known as anisogamy and its subtype oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell.

Sep 08, 2010 · WebMD answers common questions about sperm, including how long sperm live, sperm analysis, sperm thickness, how to keep sperm healthy, and more.

XVIDEOS sperm videos, free. XVideos.com - the best free porn videos on internet, 100% free.