人类性学(Human Sexuality)第一讲.docVIP

Human Sexuality The ways in which we experience and express ourselves as sexual beings. Our awareness of ourselves as females or males is part of our sexuality, as is the capacity we have for erotic experiences and responses. Our sexuality is an essential part of our ourselves, whether or not we ever engage in sexual intercourse or sexual fantasy, or even if we lose sensation in our genitals because of injury. Erection in men result, in part, from a bone that protrudes into the penis. 2、Sperm can be produced only in an environment several degrees lower the normal body temperature. The hymen is a reliable indicator of whether or not a woman is a virgin. The inner two thirds of the vagina is highly sensitive to touch. Many men experience nipple erection when they become sexually aroused. Most men and women are capable of multiple orgasms. Breast size in women is related to the number of mammary glands. Before puberty, boys can reach orgasm, but they do not ejaculate. During sexual intercourse, orgasm in women results from direct stimulation of the clitoris by the penis. Menstrual discharge consists of sloughed off uterine tissue, blood, and cervical mucus. For hygiene reasons, you should avoid sex during menstruation. Ovulation generally occurs just before menstruation. AIDS is the diagnosis for people who have human immunodeficiency virus(HIV). After a vasectomy, a man can reach orgasm but does not ejaculate. 15、A girl can get pregnant as soon as she starts having menstrual periods. 16、Women show a dramatically higher level of sexual desire than usual at the time of ovulation. 17、The major cause of AIDS is homosexuality. 18、Gonorrhea, syphilis, and herpes can be successfully treated with antibiotics. 19、It is usually safe to have sexual intercourse during the 7th and 8th months of pregnancy . 20、Most healthy people in their 60s or older continue to engage in sexual behavior. 21、Men’s descriptions of orgasm are different from women’s descriptions of orgasm. 22、E