2. Define adolescence.
Adolescence: It is a period of life, when the body undergoes changes, leading to reproductive maturity, is called adolescence. Adolescence is a period which begins around the age of 11 and lasts up to 18 or 19 years of age. This period covers the ‘teens’ (13 to 18 or 19 years of age), adolescents are also called ‘teenagers’. In girls, adolescence may begin a year or two earlier than in boys. And the important thing is, this period of adolescence varies from person to person.