[Solved] What chemical ingested or synthesized by the body is necessary for calcium absorption from the intestines? A) growth hormone B) sex hormones C) parathyroid hormone D) calcitonin E) vitamin D Frotteurism: A paraphilic interest focused on touching or rubbing against a non-consenting person, often in crowded places. Voyeurism: A psychological disorder characterized by gaining sexual pleasure from observing unsuspecting individuals who are naked, in the process of disrobing, or engaging in sexual activities. Frotteurism: A paraphilic disorder characterized by an intense sexual interest in touching or rubbing against a non-consenting person, often in crowded places. Adolescence: A developmental phase following childhood, marked by physical, psychological, and social changes leading to adult maturity.