1. The Role play in the Sexual Response Cycle
Human Sexuality
2013
Mrs. Caselli

2. The sexual response cycle is, essentially, a clinical version of how a human body responds during sex.

3. Phase 1: Sexual Desire Phase aka: libido
Physical or psychological stimulation occurs
how? you ask
Certain chemicals in the body (primarily testosterone — the male sex hormone, which is also present in females) trigger these inner sexual feelings. Sexual excitement builds upon these feelings.

4. Testosterone

5. Phase 2: Excitement Phase
Genitals experience vasocongestion, which is a swelling caused by an increase in blood filling the tissues.
This phase is usually generated by one or a combination of several physical, visual, or psychological stimuli, which can be caused either by oneself or a partner.
Foreplay usually gets these responses started.

6. Reactions to Vasocongestion
Heart rate
Breathing rate
Blood Pressure
Breast size
Nipples
Erection Occurs
Arm and leg muscles may start to tense up
Swelling of the Clitoris & Vaginal lips

7. Phase 3: Plateau Phase
Excitement Phase reaches a slightly higher level, with tensions building
Pre-ejaculation
Testes enlarge and are
pulled closer to the body

8. Phase 4: Orgasm Phase
Both men and women, your body goes through a whole series of muscular contractions and spasms, including facial contortions, an increased respiratory rate and heartbeat, and a further increase in blood pressure. Your genitals also experience strong contractions.
The man undergoes the further contraction of ejaculation.

9. Phase 5: Resolution Phase
The body slowly returns to normal
Much longer for women than for men