EntityQ127726· pop 5· linked from 13 articlesaltitude tentSign in to savesealed tent used to simulate a higher altitude with reduced oxygenConnectionsoxygenEntitynitrogenEntitymuscleEntitycarbon dioxideEntitymountaineeringEntityred blood cellEntitydigital object identifierEntityLance ArmstrongEntityhemoglobinEntityatmospheric pressureEntitytentEntityphysical exerciseEntityair conditioningEntityQ180686EntitycampingEntityerythropoietinGenealtitude sicknessEntityWorld Anti-Doping AgencyEntitypartial pressureEntityQ22908627EntityCategoriesMountaineering equipmentSports technology