MHT CET Biology question

Choose the incorrect statement about SA node.

(A)Located at lateral wall of the right atrium
(B)It is a crescent like shaped cluster of myocytes
(C)It initiates the rhythmic contractile activity of the heart and maintains it
(D)It is called pace keeper of the heartCorrect

Answer: (D)

Solution

The SA node lies in the wall of the right atrium as a crescent-shaped cluster of myocytes and initiates and maintains the rhythmic contractions, so (a), (b)

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Question ID VK-078141