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The figure shows a diagrammatic view of human respiratory system with labels A,B,C and D select the option which gives correct identification and main funciton and / ro characteristic

A

D- Lower end of lungs- diaphragm pulls it down during inspiration

B

A- trachea-long tube supported by complete cartilaginous rings for conducting inspired air

C

B-pleural membrane-surround ribs on both sides to provide cushion against rubbing

D

C-Alveoli-thin walled vascular bag like structures for exchange of gases

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The given figure shows the diagrammatic view of human respiratory system. Identify A, B, C and D.

    A
    A-Epiglottis, B-Alveoli, C-Bronchus, D-Diaphragm
    B
    A-Epiglottis, B-Alveoli, C-Bronchioles, D-Diaphragm
    C
    A-Soundbox, B-Alveoli, C-Brounchus, D-Diaphragm
    D
    A-Larynx, B-Alveoli, C-Brounchioles, D-Diaphragm

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