urethra. The urethra, of course, is the tube which extends from a person's bladder, passing through the prostate, and into the penis. Erection When a man is sexually excited, blood r
Vialis ushes to the penis and reasons it to be tougher and erect. Sperm is withdrawn from the seminal vesicle and combined with seminal fluid - what we understand as semen. During sexual sex, the prostate gland contracts, which forces semen out of the urethra into the stop of the penis; a manner referred to as ejaculation. Fertilization Once the sperm has been deposited right into a lady's vagina, the cells begin to .
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