Human beings become capable of reproduction after the puberty sets in. The period of life when the body undergoes changes, leading to reproductive maturity, is called adolescence
Between the age of 11 years and 19 years children are called adolescents.
The human body undergo several changes during adolescence; these changes mark the onset of puberty
The onset of puberty brings about growth of reproductive organs, hair grows at various body parts, breast develops in girls and moustache and beard in boys. Please refer Reaching the Age of Adolescence Class 8 Extra Questions for more information.
CBSE Revision Notes 