#COVID19 #COVID19Surge #OxygenShortage #COVIDCrisis #OTVNews

The air we breathe contains about 21 percent oxygen, 78 percent nitrogen & 1 percent one percent other gases like carbon dioxide & hydrogen. Our lungs help our body absorb oxygen from the air and in the process we exhale carbon dioxide and other gases. The air sacs/alveoli in our lungs facilitate this gas exchange by capturing oxygen from inhaled air.
COVID19 infection directly affects the respiratory tract damaging the alveoli.
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