Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
The answer is D because when you get a head injury your most likely to have a concussion from the impact which will cause you to loss consciousness and have blurred vision and dizziness.
Some can others can't but most probablt will
Sea food, Beef and Lamb, spinach, pumpkin, nuts, cocoa and chocolate, pork, chicken, beans...