<prompt> Acclimatization does NOT includeHyperventilationDecreased concentration of 2,3 DPG in RBCIncreased erythropoiesisKidney excrete more alkali  <response>: It includes increase in pulmonary ventilation, increases in RBC count and hemoglobin content, increase in 2,3-DPG.Ref. Textbook of physiology N Geetha 2nd edition page no.265 