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Class 11BiologyBody Fluids and CirculationsStructure and function of heart
Easy

$SA-$node is located in

  • A
    Lower lateral wall of right atrium
  • B
    Upper lateral wall of right atrium
  • C
    Upper lateral wall of left atrium
  • D
    Lower lateral wall of left atrium
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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulations

Subtopic

Structure and function of heart

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