What changes take place in boys during puberty?

Changes take place in boys during puberty:

(i) The most conspicuous change (clear visible change) in boys during puberty is the sudden increase in height.

(ii) Shoulder become broad and chest become wide.

(II) Muscles of the body grow more prominently than in the girls.

(iii) Voice deepens in boys. It becomes low pitched voice.

(iv) Many adolescent boys and girls may get acne and pimples on the face during puberty due to the increased activity of sebaceous glands and sweat glands in the skin.

(v) Hair grow on the face in the form of moustache and beard, and on the chest.

(vi) Hair grows under the arms and in the region above the thighs or the pubic region.

(vii) Testes and penis become larger.

(viii) Testes start to make sperm.