Annie is thirteen and is entering her adolescence stage. Adolescence, is the developmental stage between childhood and adulthood, it is a very crucial period. Considerable biological change occurs as adolescents attain sexual and physical maturity. Annie will experience a growth spurt in her height, growth in her breast, start to develop body hair, these developments in her body will also cause curiosity, different interest in life. She is going to start to distance herself from her parents and start connecting with her fellow peers. Important social, emotional, and cognitive changes occur as adolescents strive for independence and move toward adulthood. The physical changes that occur at the start of adolescence result largely from the secretion of various sex hormones, and they affect virtually every aspect of an adolescent’s life. No since infancy has development been so dramatic. For instance an adolescent grows as much as 5 inches in one year. This is a lot to take in for kid, especially when girls start experiences these things at the age of ten. So Annie may or may not be used to this being she already thirteen. Maybe her mother or aunt has explain the process puberty. Puberty is the period at which maturation of the sexual organs occurs. It also when girls start to menstruate. For example, some girls begin to menstruate as early as age 8 or 9 or as late as age 16. This can be really good for Annie or really bad. Because early-maturing girls are sought after as dates and have better self-esteem than do later-maturing girls, some consequences of early physical maturation may be less positive. Early breast development may set them apart from their peers and be a source of ridicule. The rate at which physical changes occur during adolescence can affect the way people are viewed by others and the way they view themselves. Just as important as physical changes,