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‘Heart of heart’ is called:  (a) SA node  (b) AV node 

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in Transportation in Plants and Circulation in Animals by (52.4k points)

‘Heart of heart’ is called: 

(a) SA node 

(b) AV node 

(c) Purkinje fibres

(d) Bundle of His

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1 Answer

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by (46.0k points)

Correct Answer is : (a) SA node

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