Introduction

"Evolution acts slowly,our psychological characteristic today are those that promoted reproductive success in the ancestral environment"

                                                                                        -Keith Henson

        Psychology is a scientific study of human behavior and mental processes.It is an academic discipline and applied science which seeks to understand individuals and groups by establishing general principles and researching specific cases.

         As we go on in our daily lives, psychology is always present.From conception, we undergo the process of physical development.Through the study of psychology we are able to know one's behavior and understand the way a person thinks, acts, and analyzes.


        Physical Development has its stages, and this are the following:

1.Pre-natal stage- from conception to birth.
           It is divided into three substages:
a.zygote- from fertilization to second week.
b.embryo- from second week to second month.
c.fetus- from second month to birth.
2.Infancy stage- from birth to end of second week.
3.Babyhood-from two weeks to two years old.
4.Early Childhood- from two to six years old.
5.Late Childhood- from six to twelve years old.
6.Puberty-from 12 to 14 years old.
7.Adolescene- from 13 or 14 to 18 years old.
8.Early Adulthood- from 18 to 40 years old
9.Middle Age- from 40 to 60 years old.
10.Old Age- 60 years old and above.

  I as a first year college I belong to the adolescene stage. Your grandparents belong to the old age. Physical Development is one of the aspects of your human life. You think its just a small portion of you but you are wrong.

     Please comment down what stage do you belong.