Question

Explain Why Carbon Dioxide molecules move from the blood into an alveolus.

Answer 1

Alveoli:- They are the balloon like structures which provide surface for gaseous exchange . They are present in our lungs

REASON:- Carbon Dioxide molecules move from the blood into the alveoli for their from the as they harmful for our body.

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Answer 2

The partial pressure of oxygen is high in the alveoli and low in the blood of the pulmonary capillaries. As a result, oxygen diffuses across the respiratory membrane from the alveoli into the blood. ... Therefore, carbon dioxide diffuses across the respiratory membrane from the blood into the alveoli.