INFO:

The other changes on attaining the adolescence are as follows: (i) In boys : Voice changes. It becomes hoarse. Many boys get acne and pimples on the face, sex organs like testes and penis develop completely and testis also begin to produce sperms. (ii) In girls: Region below the waist becomes wider, ovaries and breasts enlarge and eggs begin to mature. Ovary starts releasing matured eggs.