Elevenyearold Jorge looks forward to becoming a man.. What is the first sign of puberty that Jorge will experience?
a. appearance of facial hair
b. deepening of his voice
c. appearance of pubic hair
d. enlarged testes
e. his first ejaculation
Question 2
Dr. Rhoden conducts animal experiments on visual perception. Rhoden wants to stop the animal's pupil from changing size, so he paralyzes the
a. cornea.
b. iris. c. lens.
d. retina. e. pupil.