Indicate the stages of life on the timeline including the definite articles. do not repeat any labels. note that items 2-6 refer to an age range.

The stages of human life can be written as:

Infancy: It is the time period between birth and the age of one year. Toddlers: It represents the child between 1 to 3 years of age. Childhood: Children between the age group of 4 to 8 years old are referred to being in childhood. Puberty: It is the time period in which children mature sexually. It represents the children which are 9 to 13 years old. Adolescents: These are also termed as teens as the age bracket is thirteen to eighteen years old. Adulthood: The age range from 19 to  50 years.  Old age: It represents the people which are 51 plus in age.