Home
Class 12
BIOLOGY
Contraction of diaphragm increases the v...

Contraction of diaphragm increases the volume of thoracic chamber in the

A

Dors-ventral axis

B

Antero-posterior axis

C

Dorso-posterior axis

D

Antero-ventral axis

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    MOTION|Exercise Exercise 3|27 Videos

  • BREATHING AND EXCHANGE OF GASES

    MOTION|Exercise Exercise 4|21 Videos

  • BREATHING AND EXCHANGE OF GASES

    MOTION|Exercise Exercise 1|64 Videos

  • BODY FLUIDS AND CIRCULATION

    MOTION|Exercise EXERCISE -4 AIIMS | Assertion & Reason Questions|34 Videos

  • CELL CYCLE AND CELL DIVISION

    MOTION|Exercise Exercise - 4(AIIMS - 2018)|28 Videos

Similar Questions

Explore conceptually related problems

Contraction of diaphragm increases the volume of the thoracic chamber in the ....(A).... axis while the contraction of external intercostal muscles increases the volume of the thoracic chamber in the ..... (B).... axis.

Inspiration can occur if the intra-pulmonary pressure is ________A________ than the atmospheric pressure. Inspiration is initiated by the contraction of diaphragm which increases the volume of thoracic chamber in the ________B_______ axis.

Read the following statement about human respiration ltbgt (i) trachea divides at the level of 6th thoracic vertebra (ii) terminal bronchioles alveoli and their ducts form the respiratory part of this system (iii) contractionof diaphragm increases volume of thoracic chamber doosoven trally (iv) the internal intercostals help in inspiration

The contraction of .......muscles lifts up the ribs and the sternum causing an increase in the volume of the thoracic chamber in the dorso-ventral axis.

Fill up the blanks in the following paragraph by selecting the correct option. The movement of air into and out of the lungs is carried out by creating a (i).____ between the lungs and the atmosphere. Inspiration can occur if intra-pulmonary pressure is (ii).____ Expiration takes place when the intra-pulmonary pressure is (iii).____ than the atmospheric pressure. Expiration takes place when the intra-inspiration is initiated by the (iv).____ of diaphragm which (v).____the volume of thoracic chamber in the antero-posterior axis.

Which of the following help to increase the volume of the thoracic chamber during the mechanism of berating ?

Contraction of diaphragm during inhalation

Vaginal diaphragm is

What is a diaphragm?

What happens to the volume of pulmonary cavity when there is an increase in the volume of thoracic chamber?

MOTION-BREATHING AND EXCHANGE OF GASES-Exercise 2
  1. Which of the following steps not involved in respiration :-

    Text Solution

    |

  2. Inspiration can occur , when -

    Text Solution

    |

  3. Contraction of diaphragm increases the volume of thoracic chamber in t...

    Text Solution

    |

  4. Which muscles contract during normal expiration: A-Diaphragm, ...

    Text Solution

    |

  5. Total volume of air a person can expire after a normal inspiration is ...

    Text Solution

    |

  6. Which of the following factor can affect the rate of diffusion of gase...

    Text Solution

    |

  7. Which of the following is correct?

    Text Solution

    |

  8. What is true about diffusion capacity.

    Text Solution

    |

  9. Which of the following statement is true:

    Text Solution

    |

  10. Binding of oxygen with haemoglobin is primarily related to :

    Text Solution

    |

  11. In which the following factors can interfere in binding of O(2) with h...

    Text Solution

    |

  12. The conditions which are favourable for the formation of oxyhaemoglob...

    Text Solution

    |

  13. Which of the following statement // s is // are correct ? A- A high...

    Text Solution

    |

  14. Which of the following centre can moderate the functions of the respir...

    Text Solution

    |

  15. A chemosentive area is situated adjacent to respiratory rhythm centre....

    Text Solution

    |

  16. Respiratory rhythm centre is present in :-

    Text Solution

    |

  17. Chronic disorder in which alveolar wall are damaged due to which respi...

    Text Solution

    |

  18. Regarding the functions of our respiratory system, mark the wrong entr...

    Text Solution

    |

  19. It is known that exposure to carbon monoxide is harmful to animals bec...

    Text Solution

    |

  20. Mark the true statement among the following with reference to normal b...

    Text Solution

    |