Question

explain the transport and exchange of oxygen and CO2 in human body

Answer 1

We inhale air through our nostrils. The air passes through the larynx in the lungs where the alveoli, which are connected with a lot a blood capillaries, take the CO2 from the blood and give the O2 into the blood. The CO2 is given out through the same path and exhaled through our nose.


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