Stages of Human Development

Running head: STAGES OF HUMAN DEVELOPMENT
Stages of Human Development
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1STAGES OF HUMAN DEVELOPMENT
Table of Contents
Introduction................................................................................................................................3
Background information............................................................................................................3
Key points..................................................................................................................................3
Explanation of stage...............................................................................................................4
 Early Adolescence (Age 10 to 13)..................................................................................4
 Middle Adolescence (Ages 14 to 17)..............................................................................5
 Late Adolescence (18 to 21 and beyond)........................................................................5
Conclusion..................................................................................................................................6
References:.................................................................................................................................7

2STAGES OF HUMAN DEVELOPMENT
Introduction
Human beings undergo many stages of development throughout their lifespan. Human
development is a series of events of the social, intellectual, psychological, emotional and
physical changes within a man. There are many stages of human development, and they
include Pre-natal, infancy, early childhood, late childhood, adolescence, early adulthood and
the old age (Kail & Cavanaught, 2018). This paper shall elaborate on discussing the stage of
adolescence in human beings. It would explain the stage, highlighting the key points and the
changes that take place within a human body both internally and externally.
Background information
Adolescence is a transitional stage of psychological and physical development of
human beings that occurs during puberty to the legal adulthood (McPhie & Rawana, 2015). It
is usually related to the teenage years. However, the psychological, physical and cultural
expressions of adolescence might start earlier and the end later. For instance, puberty starts
during the preadolescence, especially among females. The material and cognitive
development could extend into the early twenties. This is why age gives only a raw marker of
the adolescence.
Key points
 Adolescent development in human beings starts around 11 years of age, and it
continues to 19 to 21 years.
 In between 11 and 13 years, many physical changes take place as the humans then
enter into early adolescence from being teens.
 Teens then start to gain weight and height and body hair.
 Among girls, menstruation begins, and their breasts and hips start developing
 Among boys, they gain height, weight, muscles and body hair.