Define the following:
a. Adolescence
b. Puberty
(a) Adolescence: 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.
(b) Puberty: Puberty is the process of physical changes by which a child's body matures into an adult body and it becomes capable of sexual reproduction to enable fertilization. The human body undergo several changes during adolescence; these changes mark the onset of puberty.