Explain the mechanism of breathing in human beings.
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the first step is when the oxygen is inhaled .then the air follows the following rote;
nose----nasal cavity-----larynx------------trachea-----------bronchi-------lung------------bronchioles ----------alveoli
the exchange of gases takes place in alveoli.only a thin membrane separates the air in alveoli from the blood in capillaries .oxygen diffuses into the blood and co2 diffuses out
thn the carbon dioxide follows the inverse route and get out through our nose
nose----nasal cavity-----larynx------------trachea-----------bronchi-------lung------------bronchioles ----------alveoli
the exchange of gases takes place in alveoli.only a thin membrane separates the air in alveoli from the blood in capillaries .oxygen diffuses into the blood and co2 diffuses out
thn the carbon dioxide follows the inverse route and get out through our nose
Anonymous:
mark best i gave in simple language dude
he have asked for 10points so wwe have to answer for that points detailed
but u didnt write and this is only the mechanism dude,,,,,,,,,
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Answer:
he first step is when the oxygen is inhaled .then the air follows the following rote;
nose----nasal cavity-----larynx------------trachea-----------bronchi-------lung------------bronchioles ----------alveoli
the exchange of gases takes place in alveoli.only a thin membrane separates the air in alveoli from the blood in capillaries .oxygen diffuses into the blood and co2 diffuses out
thn the carbon dioxide follows the inverse route and get out through our nose
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