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Class 11BiologyBody Fluids and CirculationStructure and function of heart
Easy

Choose the correct option: The $AV$ node / $SA$ node is called the pacemaker.

  • A
    $SA$ node
  • B
    $AV$ node
  • C
    Both $SA$ and $AV$ node
  • D
    None of these
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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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