Fill in the Blanks ST4 - Puberty Review 2Online version Puberty Review 2 by Bianca Nizzola 1 broadens prepare widen deepens triggered start grow starts known change a . Voice , penis and pubic hair , chest . b . Ovulation , breasts to develop , hips . c . Between the ages of about 8 and 18 , you from a child into an adult . This time is as puberty . d . Changes to the body , to the mind and emotions you for being an adult and a parent . These changes are by hormones .