During the _________ phase of Masters and Johnson's sexual response cycle, both men and women experience full engorgement of all erectile tissues and high levels of respiration, heart rate, blood pressure, and muscle tension.
a. excitement
b. resolution
c. desire
d. plateau
Question 2
Adnan is beginning to make love with his partner. According to Masters and Johnson, what will be the first sign that Adnan is in the excitement phase?
a. scrotal skin is tight
b. contraction of anus
c. erection of the penis
d. ejaculation
The hair cycle
An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle.
Accounts receivable cycle.
Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase
The nitrogen cycle "دورة النيتروجين"
Life cycle of Dictyostelium discoideum, a cellular slime mold