Question

(c) (i) Name the process in which oxygen
and carbon dioxide enter and leave
the blood at an alveolus,
(ii) For this process to work effectively,
there must be differences in
concentration between the gases in
the blood and in the alveolus. Give
two ways in which these
differences are maintained.




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Answer 1

Answer:

the process in which Oxygen and Carbon dioxide enter and leave the blood at an alveolus is diffusion by to diffusion