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Which of the following is the incorrect statement with respect to the regulation of respiration?
(a)Pneumotaxic centre can moderate the functions of respiratory rhythm centre.
(b)Receptors associated with aortic arch and carotid artery can recognise changes in oxygen concentration and send signals to the rhythm centre for remedial actions.
(c)Human beings have a significant ability to maintain the respiratory rhythm.
(d)The role of oxygen in the regulation of respiratory rhythm is quite insignificant.

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