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

Which of the following statements is correct ?

A

During inspiration external intercostal muscles and diaphragm contract.

B

Cyanosis mean collapse of alveoli.

C

Eupnea is slow breathing.

D

Coryza is caused by human coronavirus.

Text Solution

Verified by Experts

The correct Answer is:
A
Caynosis is bluish pr purplish discolouration of skin bacause of deficient of oxygen in blood. Eupnea is normal breathing Coryza (common cold) is caused by rhino virus).
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    NCERT FINGERTIPS|Exercise Body Fluids And Circulation|151 Videos

  • CELL - THE UNIT OF LIFE

    NCERT FINGERTIPS|Exercise Cell - The Unit Of Life|159 Videos

Similar Questions

Explore conceptually related problems

Which of the following statement is correct?

Which of the following statement is correct ?

NCERT FINGERTIPS-BREATHING AND EXCHANGE OF GASES-Breathing And Exchange Of Gases
  1. Which one of the following is the incorrect statement for respiration ...

    Text Solution

    |

  2. Given below are few respiratory disorders. Identify occupoational resp...

    Text Solution

    |

  3. Which of the following statements is correct ?

    Text Solution

    |

  4. Following are few characters of a disorder from the choices give below...

    Text Solution

    |

  5. Visiting high mountains may cause altitude sickness in men living in ...

    Text Solution

    |

  6. Carbon monoxide can kill a person because of it's extermely high affin...

    Text Solution

    |

  7. The toxic effect of carbon monoxide is due to its greater affinity for...

    Text Solution

    |

  8. Blood analysis of a patient reveals an ususually high quantity of carb...

    Text Solution

    |

  9. During winter a person died during sleep, the room was closed and a co...

    Text Solution

    |

  10. Blood can combine with almost "" of oxygen if the haemoglobin is 100 p...

    Text Solution

    |

  11. Which of these is incorrect regarding A and B in the given graph ?

    Text Solution

    |

  12. Which of these is correct regarding D, E and F areas in the graph ?

    Text Solution

    |

  13. How much oxygen will be released to the tissues by blood on passing fr...

    Text Solution

    |

  14. Durning strenuous exercise, the muscle interstitial fluid PO(2) falls ...

    Text Solution

    |

  15. What is the labelled blood vessels A, B, C or D carries oxygenated blo...

    Text Solution

    |

  16. What is the value of W, X, Y and Z normally (in mmHg) ?

    Text Solution

    |

  17. Which of these is incorrect regarding the given mechanism of breathing...

    Text Solution

    |

  18. In the given mechanism, diaphragm, sternum and intercostal muscles wor...

    Text Solution

    |

  19. If P(atm) = 0 mm Hg and P(alv) = -2 mm Hg, then

    Text Solution

    |

  20. If alveolar ventilation is 4200 mL//min, respiratory frequency is 12 b...

    Text Solution

    |