Question

changes occurred in both both boy and girl during adolescence period

Answer 1

for boys:
Growth of facial hair
Increased size of larynx and vocal chords cause voice to deepen.
for girls:
Initial breast elevation
Menstruation

Answer 2

Hey dear friend,

The changes occurred in both boy and girls during adolescence period are as followed :

1. Boys :

_ crack voice
_ muscular body
_ formation of harmones and sex cells.
_ sexually mature.
_ growing of hairs in pubic region and under arms.

2. Girls
_ development of mammary gland.
_ formation of sex cells.
_ sexually mature.
_ menstrual cycle take place.