Define the term "adolescence" and mention two physical changes that adolescents may experience due to puberty.

Adolescence is the transitional period between childhood and adulthood, typically occurring during the teenage years. It is a time of significant physical, emotional, and cognitive development.

Two physical changes that adolescents may experience due to puberty are:

1. Growth spurts: Adolescents may experience rapid growth in height and weight as their bodies go through a period of accelerated growth during puberty.

2. Development of secondary sexual characteristics: Adolescents will develop secondary sexual characteristics such as breast development in females, facial hair growth in males, and changes in body shape and size.