What are the phases of the physical development of adolescence?

The physical development phase of adolescence can be divided into three different phases. Early development phase usually includes preteens aged 12 to 14 years and indicates most changes related to puberty. At the age of 15 to 17, they often refer to the middle developmental phase in which many physical changes have already taken place. Finally, the physical development of adolescence at the age of 18 to 21 years occurs.

In the early stage of the physical development of adolescence, many and the most drastically physical changes occur when the child begins to reach adulthood. This phase is often referred to as advent of puberty. The typical symptoms that puberty began is the growth of hair. The emergence of acne on the face and body of both sexes can also be an external sign that puberty has begun.

girls often begin to notice the changes in the tissues that form the breasts during the physical development of adolescence. The development of breast and fine changes in the vaginal area occurs at the age of 8 years until later on 16 years. Many girls can start menstruating during the same timethe period. At the moment, other hair on the body could start to grow, which would lead to the onset of shaving legs and arms. These changes occur due to an increase in hormones produced in the female body called estrogen and progesterone.

boys can often start puberty later than girls aged about 11 years until later 17 years. The male voice can start to deepen during this time and even earn an uncontrollable sound with a high position when moving to an adult tone. Increased muscle tone in the arms and legs begins to replace childhood fat stores. Many boys begin to notice the growth of male genitalia and increase hair growth on the face and body. Increasing the hormone of testosterone is produced by the body during this time represents the onset of these changes.

Medium and late phases of physical development adolescence are recorded by improving physical changes to whichM occurred at the early stage of development. The fat is still stored in the areas of the girls and hips of girls. Boys can continue to grow and voices begin to stabilize. Overall, hormones achieve more uniform levels with less fluctuations and emotional tolerances of physical changes can lead to a more confident individual.