Home
Class 12
BIOLOGY
Which of the following is known as natur...

Which of the following is known as natural pacemaker of the heart ?

A

Sinu atrial node

B

Atrio ventricular node

C

Bundle of His

D

Purkinje fibres

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    AAKASH INSTITUTE|Exercise Assignment Section - A Objective Type Questions|32 Videos

  • BODY FLUIDS AND CIRCULATION

    AAKASH INSTITUTE|Exercise Assignment Section - B Objective Type Questions|30 Videos

  • BODY FLUIDS AND CIRCULATION

    AAKASH INSTITUTE|Exercise Try Yourself|40 Videos

  • BIOTECHNOLOGY-PRINCIPLES AND PROCESSES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-D (Assertion-Reason Type Question)|10 Videos

  • BREATHING AND EXCHANGE OF GASES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D|11 Videos

Similar Questions

Explore conceptually related problems

Pacemaker of heart is

Pacemaker is

Which of the following bacteria is known as natural genetic engineer of plants?

Which of the following is congenital heart disease

In the heart of frog, which of the following is considered as pacemaker ?

Which of the following has myogenic heart?

AAKASH INSTITUTE-BODY FLUIDS AND CIRCULATION-Exercise
  1. Purkinje fibres arise from

    Text Solution

    |

  2. The opening between the right atrium and the right ventricle is guarde...

    Text Solution

    |

  3. Which of the following is known as natural pacemaker of the heart ?

    Text Solution

    |

  4. All veins carry deoxygenated blood except

    Text Solution

    |

  5. Pulmonary artery differs from pulmonary vein in having

    Text Solution

    |

  6. Papillary muscles occur in

    Text Solution

    |

  7. Origin of heart beat and its conduction is represented by

    Text Solution

    |

  8. Rise in heart beat, increase in the cardiac output, blood pressure and...

    Text Solution

    |

  9. Decrease in the rate of heart beat, speed of conduction of action pote...

    Text Solution

    |

  10. Human heart is

    Text Solution

    |

  11. If we give an injection of acetylcholine to a person, rate of heart b...

    Text Solution

    |

  12. Given below is the ECG of a normal human. Which of its components is c...

    Text Solution

    |

  13. Which of the following wave in ECG represents depolarisation of the at...

    Text Solution

    |

  14. Which of the following wave in ECG marks the end of ventricular systol...

    Text Solution

    |

  15. In ECG, ST segment is elevated in

    Text Solution

    |

  16. The main difference in the structure of arteries and veins is in

    Text Solution

    |

  17. Which of the following system returns the blood from intestine and bre...

    Text Solution

    |

  18. Artificial pacemaker is required when a person is sufering from

    Text Solution

    |

  19. When the heart is not pumping the blood effectively enough to meet the...

    Text Solution

    |

  20. A symptom of acute chest pain when enough oxygen is not reaching the h...

    Text Solution

    |