18. Why are ovaries responsible for the development of secondary sexual characteristic in females? A. because ovaries produce eggs and the hormones B. because ovaries are primary sex organ C. because ovaries are located on the left and right side of the uterus D. because ovaries are oblong and small organs
19.Semen leaves the male body when the penis is erect and A. urination occurs B. evacuation occurs C. excitement occurs D. ejaculation occurs
