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Science,English,and math Ⅱ

No.4　17/03/18 08:22
燻し銀三 ( 50代 ♂ Oe38xe ) あ+あ-

【Putting the internal organs away in the body】

《The system of the urinary organs》

The pancreas is at the height of the waist and it's on the both side of right and left of the back. Its size is a fist. The right one is a little lower position because of the kidney. The pancreas is connected with the main artery direct. Its blood vessel is thick.The ureter 尿管 starts from the dent of which size is a broad bean and it's connected with bladder. Putting the urinary system away is over.

《The system of the sex organs》

An ovary and a testis 精巣 is a size of the egg of a quail. The ovary is inside of the body and the testis is outside of the body. When being unborn baby,both of the ovary and testis is inside of the body,but after his birth the testis is outside of the body.

The ovary is connected with the womb through an oviduct 卵管 and the ovum is released in the womb. The sperm is released through a spermaduct and the prostate 前立腺. Its goal is the womb. Both of the ovary and testis…