Answer to Question 1
(1) The excitement phase: increases continuously from initial stimulation to orgasm; may last from a few minutes to several hours. One of the most dramatic physiological changes during the phase is vasocongestionthe engorgement of blood vessels in various organs, especially the genitals. Sexual excitement also increases muscular tension, heart rate, and respiration rate. These physiological responses are accompanied by subjective feelings of arousal. (2) The orgasm phase: distinct from the gradual buildup of sexual excitement. This sudden release of tension is almost always experienced as intensely pleasurable. (3) The resolution phase: may last 30 minutes or longer; the person's body returns to its resting state.
Answer to Question 2
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