Which of the following is the first phase of the human sexual response cycle?

a. excitement
b. plateau
c. orgasm
d. resolution

The correct answer is: a. excitement

Human sexual response cycle is a set of four phases (reactions) in human as a response to sex stimulus.

1.Excitement phase- result of physical or mental stimuli

2.The plateau phase- the period characterized by increased stimulation and increased muscle tension prior to orgasm

3.Orgasm-phase characterized by quick cycles of muscle contraction

4.The resolution phase - after orgasm characterized by the relaxation of muscles.

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