Middle East Respiratory Syndrome Coronavirus
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Middle East Respiratory Syndrome Coronavirus
"Alveoli" are air sacs in your lungs that are surrounded by tiny blood vessels called capillaries. The air sacs have thin walls that allow the exchange of gases. When blood flows through the capillaries around the air sacs, it picks up oxygen that you have breathed in and dumps off carbon dioxide that you then breathe out. But if you have pneumonia, your alveoli swell and fill with fluid. This makes you cough and makes it hard to breathe.
Graphic 55943 Version 6.0
Pneumonia
"Alveoli" are air sacs in your lungs that are surrounded by tiny blood vessels called capillaries. The air sacs have thin walls that allow the exchange of gases. When blood flows through the capillaries around the air sacs, it picks up oxygen that you have breathed in and dumps off carbon dioxide that you then breathe out. But if you have pneumonia, your alveoli swell and fill with fluid. This makes you cough and makes it hard to breathe.
Graphic 55943 Version 6.0