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LUNGS AND BREATHING, ELISA FERRARI 2^B I FONDALI MARINI, ELISA FERRARI 2^B…
LUNGS AND BREATHING
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ANATOMY
BREATHING IN
When you breathe in, through your nose or your mouth. It goes in a long tube, called trachea, and it goes next into other breachies, called bronchi, they can be divide in bronchioli and they can be divided in Alveoli
In your lungs the alveoli gave the oxygen in your blood, they give it to the capillars and it goes in your red blood cells
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BREATHING OUT
Your cells take the oxygen but, they also produce Carbone Dioxide, and they cappilar gave the Co2 at the Alveoli, this means breathing out
PLACES
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AT HIGH ALTITUDES
People in this case use some masks, because the air is thinner
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