Article / Updated 03-26-2016
The sexual response cycle is, essentially, a clinical version of how a human body responds during sex. By examining thousands of examples, scientists are able to carefully describe the events that happen in the lead-up, actual experience, and follow-up of the sexual act. If you truly want to know what exactly is going on when two people have sex, the physical side is all explained through the sexual response cycle:
Sexual Desire Phase: The Sexual Desire Phase, sometimes called the libido, precedes actual physical or psychological stimulation.