Hokuma Mammadova Eyvaz and Tarlan Mammadova Nasir 2023. A STUDY OF THE EFFECT OF SAUNA ON THE OXYGEN TRANSPORT FUNCTION OF YOUNG ATHLETES ENGAGED IN HANDBALL SPORT. International Journal of Innovative Technologies in Social Science. 3(39) (Sep. 2023). DOI:https://doi.org/10.31435/rsglobal_ijitss/30092023/8063.