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interesting facts about body
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Interesting Facts About Body

• Nervous system
The nervous system consists of cells that communicate information about an organism's surroundings and itself.
• Reproductive system
Human reproduction takes place as internal fertilization by sexual intercourse. During this process, the erect penis of the male is inserted into the female's vagina until the male ejaculates semen, which contains sperm, into the female's vagina. The sperm then travels through the vagina and cervix into the uterus or fallopian tubes for fertilization of the ovum.

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Date added:Oct 23, 2013
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