the breathing cycle is rhythmic whereas exchange of gases is a continuous process. justify this statement .
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yes exchange of gases takes place in alveoli and it cannot be controlled by our wish but we can control breath so it is rhythmic
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The breathing cycle involves inhalation and exhalation of air due to alternate expansion and contraction of thoracic cavity. Thus it is the rhythmic process. But exchange of gases is a continuous process as it takes place between the blood and each and every cell, by diffusion.
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