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Class 11BiologyBody Fluids and CirculationStructure and function of heart
Easy

Which is the pacemaker of the frog's heart?

  • A
    $SA$ node
  • B
    $AV$ node
  • C
    Sinus venosus
  • D
    Myocardium
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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulation

Subtopic

Structure and function of heart

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