Today. My topic is about adolescence. About girls. When a girl enters from her adolescence it means she is maturing. Basically it starts from twelve or some may be eleven years of age. Adolescence is where your body begets to think do grow long, your breast tends to take a shape, head grows on under her arms or exit out. So basically body changes occurs. The most important part is period about eleven years of age. A girl does not know the word period