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Which of the following structure in the ...

Which of the following structure in the normal human heat generates action potential to initiate a cardiac cycle ?

A

SA node

B

AV node

C

Purkinje fibres

D

Bundle of His

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The correct Answer is:
A
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AAKASH INSTITUTE-MOCK TEST 09 ZOOLOGY-EXAMPLE
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  7. During which of the following of the following events of cardiac cycle...

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