Features of heterochronism of age development in children of 7-11 years under the conditions of the South Aral Sea

The article discusses the features of heterochronism of age-related development in children 7-11 years old in the conditions of the South Aral Sea region. During the study, morphofunctional heterochronism of the age development of tall and short children of 7-11 years was studied taking into account gender, calendar and biological age, permanently residing in the Republic of Karakalpakstan.