Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 27

Human sexual behavior is influenced by three different factors. Inherited instructions for the development of sexual organs, hormonal changes at puberty, and neural circuits that control sexual reflexes are called (a) _____ factors. The fact that humans engage in sexual behavior for many reasons besides reproduction and the fact that humans experience sexual difficulties that have no physical or medical basis indicate the influence of (b) _____ factors on sexual behavior. Factors that regulate the secretion of sex hormones, which play a role in the development of secondary sexual characteristics, influence sexual motivation (more so in animals than in humans), regulate the development of ova and sperm, and control the female menstrual cycle, are called (c) _____ factors.