Voice changes during puberty because ________________ .

In human females, an event that reflects onset of reproductive phase is _____________________

___________kind of activities are included in personal hygiene .

During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys :

In boys, larynx is also known as ______________

Which of the following disease is related to reproductive system ?

(a) Infertility

(b) Renal calculus

(c) Gonorrhea

(d) Genital herpes

(e) HIV