Assess students' knowledge Divide class into small groups. Have students work with their groups to complete the pretest about the menstrual cycle and sperm production. Then review the correct answers. Menstrual cycles vary between 21 and 40 days.
Hormones control the menstrual cycle.
Mature eggs are released during the menstrual cycle. The Production of Sperm Display the transparency as you discuss sperm production. Semen leaves the body during ejaculation. Wet dreams are a sign of puberty. Order Me Around Divide class into small groups or have students return to their small groups.