SEXUAL INTERCOURSE
Posted on March 12, 2009, under Men's Health-Erectile Dysfunction.
In order to make a baby, a man and a woman must have sexual intercourse. When we tell the pupils in our classes about this, they usually have two questions. They want to know how a man’s penis could get into a woman’s vagina. We explain that sometimes the penis gets stiff and hard and stands out from the body. This is called an erection, and it can happen when a male is feeling sexual or is having sex with someone, and at other times too. The inside of the penis is made of spongy tissue. When a male is having an erection, special blood passageways in this spongy tissue fill with blood, which makes the penis get bigger and harder and stand out from the body. Some people call an erection a ‘hard-on’ because the penis feels so stiff and hard.
While it is erect, the penis can slide right into the vaginal opening. The vaginal opening isn’t very large, but it’s very elastic and stretchy, so the erect penis can easily fit in there.
A man and a woman have sexual intercourse for all sorts of reasons. It is a special way of being close with another person. It also feels good, which some of the pupils find hard to believe. But the sex organs have many nerve endings. If these parts of our bodies are stroked or rubbed in the right ways, the nerve endings send messages to pleasure centres in our brains, and we get pleasurable feelings all over our bodies. People also have sexual intercourse because they want to have a baby, but babies don’t start to grow every time a man and a woman have intercourse, just sometimes.
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