The carotid labyrinth of frog is concerned with the control of
A
Temperature
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B
Blood sugar
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C
Blood pressure
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D
Blood composition
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Solution
The correct option is D Blood pressure The amphibian carotid labyrinth is a characteristic maze-like vascular expansion at the bifurcation of the common carotid artery into the internal and external carotid arteries. The carotid labyrinth region has a baroreceptor function. The carotid bifurcation and the carotid gland in the frog were the sites of the origin of stretch receptor fibers, which join to the glossopharyngeal nerve.