which gas do we breathe out during exhalation how will you test the presence of gas
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Explanation:
Inhaled and exhaled air
Inhaled air contains:
more oxygen used to create energy
less carbon dioxide than…
Exhaled air which contains:
more carbon dioxide produced as a waste product of energy production
less oxygen as it has been used in respiration
Gas exchange takes place by diffusion in the alveoli within the lungs. As a result the composition of inhaled and exhaled air is different.
Percentage of gas present in inhaled and exhaled air:
Oxygen2116
Carbon dioxide0.044
Nitrogen7979
NB These figures are approximate.
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