why do we fall ill due to covid19
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When the virus reaches the lungs, their mucous membranes becomeinflamed. That can damage the alveoli or lung sacs, and they have to work harder to carry out their function of supplying oxygen to the blood that circulates throughout our body and removing carbon dioxide from the blood so that it can be exhaled.
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We fall I'lldue to Covid-19 because it takes(consumes) the energy that is being made for us
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