2021-11-16 chhung khan a ni
I Thisenah Oxygen Level A Normal em? I thisen oxygen level hian eng nge a lantir Blood oxygen hi thisen zam (red blood cells)-in oxygen engzat nge an phurh tih tehna a ni.I taksa hian i thisena oxygen awm zat chu uluk takin a tidanglam thin.Balance dik tak vawn reng ...