Chapter 10 - John Bieler Professor Love Psychology of Human...

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John Bieler Professor Love Psychology of Human Sexuality 9/19/07 Chapter 10 Sexual Expression: Arousal and Response Hormones have a powerful effect on our bodies. The various endocrine glands secrete hormones into the bloodstream and carries them through the body. The most influential hormones in sexual behavior is estrogen for women and testosterone for men. Men produce much more testosterone than women. Men produce 260 to 1,000 nanograms per deciliter of blood plasma, where as women produce around 15 to 70. White women are more likely to give or receive oral sex than African American women. William Masters and Virginia Johnson proposed a four-phase model of physiological arousal known as the sexual response cycle. This cycle occurs during all sexual behaviors in which a person progresses from excitement to orgasm. The four phases of the sexual response cycle are excitement, plateau, orgasm, and resolution. Two primary changes that occur during the sexual response cycle are vasocongestion and
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Chapter 10 - John Bieler Professor Love Psychology of Human...

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