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Question

In response to CO2 concentration, the chemosensitive area and, receptors associated with aortic arch and carotid artery, send necessary signals for remedial actions to:

A
Pneumotaxic centre
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B
Apneustic centre
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C
Respiratory rhythm centre
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D
Both a and b
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Solution

The correct option is C Respiratory rhythm centre
In our body, we have significant ability to monitor and regulate the respiratory system. There are some feedback mechanism that controls our breathing rate according to the needs of our body. If the carbon dioxide concentration increases, the chemo-sensitive area and receptors associated with aortic arch and carotic arch send signal to the respiratory rhythm centre in medulla for alteration of the breathing rate.

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