Chemosensitive cells in the carotid bodies and aortic bodies are sensitive to th

Question

Chemosensitive cells in the carotid bodies and aortic bodies are sensitive to the _______. When this falls, signals are sent to the medulla and cause a(n) _______ ventilation rate. This represents a _______ feedback control of breathing. H+ level in your blood; decreased; negative PCO2 in your blood; decreased; negative PO2 in your blood; increased; negative PO2 in the atmosphere; increased; positive PCO2 in the atmosphere; increased; positive PCO2 in your blood; decreased; negative PO2 in your blood; increased; negative PO2 in the atmosphere; increased; positive PCO2 in the atmosphere; increased; positive Chemosensitive cells in the carotid bodies and aortic bodies are sensitive to the _______. When this falls, signals are sent to the medulla and cause a(n) _______ ventilation rate. This represents a _______ feedback control of breathing.

Explanation / Answer

Chemoreceptors cells in the carotid bodies and aortic bodies are sensitive to the Po2 in your blood . When falls , signalls are sent to the medulla and cause an increased ventilation rate. This represents a negative feedback control of breathing.

So the correct option should be option (c)

Hopefully it helps, if problems arises plz comment.thanks.

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