Home
Class 11
BIOLOGY
Which of the following statements is cor...

Which of the following statements is correct regarding neutral regulation of cardiac activity ?

A

The cardiac centre lies in medulla oblongata of brain

B

Sympathetic nerve fibres accelerate the rate of heart beat and parasympathetic nerve fibres retard the rate of heart beat

C

Sensory fibres extend from the receptors present in the walls of aortic arch, carotid sinuses and vena cava to the cardiovascular centre in medulla oblongata

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    NCERT FINGERTIPS|Exercise Biomolecules|137 Videos

  • BREATHING AND EXCHANGE OF GASES

    NCERT FINGERTIPS|Exercise Breathing And Exchange Of Gases|140 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements is correct regarding veins ?

Which of the following statement is correct regarding metal carbonyl ?

Which of the following statement is correct regarding Cu extraction ?

NCERT FINGERTIPS-BODY FLUIDS AND CIRCULATION-Body Fluids And Circulation
  1. The rate of heartbeat is regulated by the integrated activity of inhib...

    Text Solution

    |

  2. Hormonal regulation of cardiac activity involves the hormones "" and "...

    Text Solution

    |

  3. Which of the following statements is correct regarding neutral regulat...

    Text Solution

    |

  4. Consider the following four statement (i) - (iv) and select the correc...

    Text Solution

    |

  5. An adult human with average health has systolic and diastolic pressure...

    Text Solution

    |

  6. If the systolic pressure is 120 mm Hg and diastolic pressure is 80 mm ...

    Text Solution

    |

  7. Blood pressure is defined as the force with which blood

    Text Solution

    |

  8. Which one of the following statements is correct regarding blood pres...

    Text Solution

    |

  9. Which one of the following is incorrect for atherosclerlsis ?

    Text Solution

    |

  10. The given figure shows an angiogram of the coronary blood vessel. Whic...

    Text Solution

    |

  11. Match column I with column II and select the correct option from the c...

    Text Solution

    |

  12. During acute myocardial infraction which of the following changes occu...

    Text Solution

    |

  13. Given below are four statements (i-iv) regarding human blood circulato...

    Text Solution

    |

  14. Refer to the given electrocardiogram and select the correct statement

    Text Solution

    |

  15. Excessively high hear rate ( gt 180 ) can reduce cardiac output becaus...

    Text Solution

    |

  16. Lungs receive blood from right side of the heart, whereas the branchin...

    Text Solution

    |

  17. The figure represents total period of one cardiac cycle i.e., 0.8 sec ...

    Text Solution

    |

  18. Refer to the given figure in which A refers to pulmonary artery pressu...

    Text Solution

    |

  19. Which of the following cells does not exhibit phagocytic activity ?

    Text Solution

    |

  20. One of the common symptoms observed in people infected with dengue fev...

    Text Solution

    |