Final answer:
The two primary physical changes that occur during the sexual response cycle are:
- In option 2. Excitement and resolution
Step-by-step explanation:
The sexual response cycle has four phases: excitement, plateau, orgasm, and resolution. During the excitement phase, there is an increase in muscle tension, heart rate, and breathing, and blood flow increases towards the groin area. In the plateau phase, the responses initiated during the excitement phase intensify, and blood flow, heart rate, muscle tension, breathing rate, and sensitivity continue to increase. The final two phases are orgasm and resolution, where the body returns to a normal level of functioning