Pheromones are chemical signals that our bodies

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Pheromones are chemical signals that our bodies release and that may have a behavioral or psychological response in another body. Menstruation, the cyclical process of shedding the uterine lining, consists of three phases: proliferative, secretory, and menstrual. Menopause occurs when a woman in midlife has not ovulated for 12 months. Hormone replacement therapy {HRT) during menopause can offset some of the effects that the decrease in hormone production causes. Male Sexual Anatomy The penis is an important symbol of power, fertility, and good luck in many cultures and societies. The penis is the primary organ for male sexual pleasure. The testicles are the male gonads and serve two primary functions: the production of testosterone and sperm. The process of ejaculation occurs in two stages: emission and expulsion. Men, like women, express varied emotions regarding the appearance of their genitalia. There is considerable difference in the size of flaccid penises and much less variation among erect penises. Male circumcision is a surgical procedure that removes the foreskin of the penis. Male circumcision may be beneficial for hygienic reasons, but it is not necessary and evidence that it reduces the risk of HIV is weak. Male Sexual Physiology The testes and adrenal glands are responsible for the production of steroid hormones. Testosterone is an important hormone for sexual desire and behavior. Men go through testosterone cycles during their lives in which they produce varying amounts of testosterone. Bodily I ntegrity Rig hts and Sexual Wel l-Being There i s much controversy surrounding the issue o f circumcision fo r men and female genital mutilation because these procedures are done without consent of the individuals on whom they are performed. Many experts regard the concept of bodily integrity as a basic human right. Bodily integrity is the right to determine what is done to one's own body-whether by a person or any kind of medical procedure. 127
128 HUMAN SEXUALlTY What's Your Position? 1 . Have you ever examined your own genitals? If yes, how did you feel when looking at them? 2. What names do you use to identify your own reproductive and sexual organs? 3. How do you feel about the practice of circumcision in the United States and around the world?

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