Testis cell three brother

Testis cell three brother
Having it in male whole life course, there is a " role " playing a very important role ,It is a testis. It looks like two " The chestnut " Shape,"live in peace " One respectively about in the scrotum. The adult man's testis, each one is nearly 4- 5 centimetres long, 2.5 centimetres wide, front and back diameter is 3 centimetres, weigh about 15 grams on average. Account for, have three one that is also as important post by 4.5 " Brother " ,They are influencing growth and parenting of the human body. It is an eldest brother that appears on the scene at first " A quality cells " ,It specially helps the organism to reveal the male characteristic, it gains the name because the thin precise tube loosens a quality outside while organizing to grow in vain. It enter by 12-14 year old man behind being youthful for puberty,among can last testis ketone a large number of quality cell, this kind of androgen can promote growth and development of male genitals, can supervise the testis to make sperms, can also bring out and keep the man desire. The more showy one is, under the function of testis ketone, the organism could demonstrate all sorts of men's characteristic, if skin increase thick muscular and the intersection of height and wing wide and skeleton stalwart and the intersection of beard and growth, Adam's apple stress and tone overcast, etc, usually the testis supplies human body with 7 milligrams of testis ketones every day, average Every 1000 ml of blood include 0.6 micrograms. Second " reproduction cell " As its name suggests, help the human body to carry on the cells of the reproduction activity. It lives in the crooked small tube of selected songs, reproduction cells grow and become the elementary precise master cell while beginning most, the elementary precise master cell has silks to split through special twice, become two secondary precise master cells first, become four more pieces of meticulous afterbirth, the meticulous afterbirth becomes the sperm that can move about through a series of shape change, each gram can produce 10 million sperms every day in an organization of thing, it is obvious the output of its sperm is very surprising. Sperm seed of life, meet the ovum in reproduction one in the wife, the two " kiss " Fertilized, will be pregnant with a life. The third " supports cells " Take two posts, it is the logistics, and a substitute. It wants to offer nutrition for second elder brother's reproduction cell on one hand, on the other hand can take place of quality among the eldest brothers cells temporarily too if necessary, produce a small amount of androgen. These three brothers unite and cooperate, cooperate each other, play an important role in the man's life. (www.qianlong.com)

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