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Pacemaker of heart is …… ....

Pacemaker of heart is …… .

A

AV node

B

Bundle of His

C

SA node

D

Purkinje fibres

Text Solution

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The correct Answer is:
C
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Assertion : Though AV node generates impulses, it is still not called as the pacemaker of heart. Reason : The rythmicity of impulse production is not highest in AV node in the neuromuscular conduction pathway.

Consider the following four statement (i) - (iv) and select the correct option. (i) SA node is natural pacemaker of heart (ii) Human heart has inter-auricular foramen (iii) Right atrioventricular valve is a semilunar value (iv) Normal systolic and diastolic pressure of human is 120 and 60 mm Hg respectively.

PHYSICS WALLAH-BODY FLUIDS AND CIRCULATION-NEET Past 10 Years Questions
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