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The average length of a man’s penis when erect is about 7.5 inches. |
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Erection fo the penis is caused b conracting muscles adn the buildup of semen. |
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Semes is produced by the testcles. |
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Women generally say that intercouse is the most reliable and satisfying mthos for achieving an orgasm. |
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A man who carries a sexually transmitted infection may transmit the infection without ejaculating. |
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The clitoris and penis both become erect during sexual stimulation. |
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The female condom has been shown to be as effective in preventing pregnancy as the male condom. |
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Most sexual hehaviors fall into one of three categories (a) heterosexual (b) gay (c) lesbian |
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Research shows that about the same percentage of males and females masturbate. |
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