Home
Class 12
BIOLOGY
A large proportion of oxygen is left unu...

A large proportion of oxygen is left unused the human blood even after its uptake by the body tissue. This `O_(2)`

A

Helps in releaing more `O_(2)` to the epithelium tissues

B

Acts as a reserve during muscular exercise

C

Raises the `pCO_(2)` of blood to 75 mm of Hg

D

Is enough to keep oxyhaemoglobin saturation at `96%`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    PHYSICS WALLAH|Exercise Level - 2 |24 Videos

  • BODY FLUIDS AND CIRCULATION

    PHYSICS WALLAH|Exercise NEET Past 10 Years Questions|28 Videos

  • CELL : THE UNIT OF LIFE

    PHYSICS WALLAH|Exercise NEET Past 10 Years Questions|64 Videos

Similar Questions

Explore conceptually related problems

Where does the blood absorb oxygen in the human body ?

Assertion Systemic blood circulation occurs in human beings. Reason The main purpose of this circulation is to carry oxygen and nutrietns to the body tissues and to remove CO_(2) and other wastes from the tissues.

Name two forms by which O_(2) is transported by blood from the lungs to body tissue.

Name the red pigment in blood which carries oxygen in the human body ?

If the blood does not deliver adequate O_(2) to the tissues, it is called

Consider the following statements for a simple harmonic motion: 1. The magnitude of the velocity of the body is proportional to its displacement from the mean position. 2. The magnitude of the acceleration of the body is proportional to its displacement from the mean position. 3. The sum of the kinetic energy and potential energy of the body is always constant. Which of the statements given above is/are correct?

PHYSICS WALLAH-BREATHING AND EXCHANGE OF GASES -NEET Past 10 Year questions
  1. Which of the following options correctly represents the lung condit...

    Text Solution

    |

  2. Match the items given Column In with those in Column II and select...

    Text Solution

    |

  3. Which of the following is an occupational respiratory disorder ?

    Text Solution

    |

  4. Lungs are made up of air-filled sacs, the alveoli . They do not collap...

    Text Solution

    |

  5. Which of the following cannot be measured by spirometry ?

    Text Solution

    |

  6. Air pollution can result in Emphysema, which is

    Text Solution

    |

  7. Lungs do not collapse between breaths and some air always remains in t...

    Text Solution

    |

  8. The partial pressure of oxygen in the alveoli of the lungs is

    Text Solution

    |

  9. Reduction in pH of blood will

    Text Solution

    |

  10. Asthma may be attributed to:

    Text Solution

    |

  11. Name the chronic respiratory disorder caused mainly by cigarette smoki...

    Text Solution

    |

  12. When you hold your breath, which of the following gas changes in blood...

    Text Solution

    |

  13. In which disease, due to flattening of tracheal vessels, alveoli are d...

    Text Solution

    |

  14. The major fraction of CO(2) released during cellular respiration is tr...

    Text Solution

    |

  15. Which one of the following is the correct statement for respiration in...

    Text Solution

    |

  16. People who have migrated from the planes to an area adjoining Rohtang ...

    Text Solution

    |

  17. Which one of the following is a possibility for most of us in regards ...

    Text Solution

    |

  18. Bulk of carbon dioxide (CO(2)) released from body tissues into the blo...

    Text Solution

    |

  19. A large proportion of oxygen is left unused the human blood even after...

    Text Solution

    |

  20. The figure given below shows a small part of human lung where exchange...

    Text Solution

    |