11 year old child organ long hair mostly refers to the vulva, perineum and other parts, vulva perineum parts long hair is can grow taller, as long as it is not congenital organic disease, through the correct feeding and proper exercise exercise can grow taller. 1.11 years old children, regardless of whether it is a boy or a girl, is about to enter or has entered puberty, puberty children long body hair belongs to the secondary sexual characteristics, in addition to long pubic hair, but also long body hair, armpit hair, boys can grow beard, etc., puberty children are generally able to grow taller, but the specific epiphyseal closure to look at the epiphysis. 2. As long as it is not congenital organic disease (such as dwarfism, etc.), it does not affect the growth and development of the child; can be balanced through the nutrition, usually can be appropriate to carry out some sports and exercise, etc., to help the child’s growth and development. 3. Children’s height is affected by race, geography, family genetics, acquired nutrition and exercise, so children entering puberty, in addition to nutrition and exercise, can go to the hospital for epiphyseal line, endocrine hormones and other related examinations. If you find that your child’s height is lower than his or her peers, you need to go to the hospital for a relevant examination to make a clear diagnosis, and you can’t just use any medication, so as not to affect your health.