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प्रश्न
With regard to the respiratory system and the process of respiration in man, answer the following question:
What is meant by :
- Residual air and
- Dead air space
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उत्तर
1. Residual air: Some air is always left in the lungs even after forcibly breathing out. This is the leftover or residual air. This volume is 1500 mL.
2. Dead air space: Some tidal air is left in the respiratory passages such as the trachea and bronchi, where no diffusion of gases can occur. This volume is called dead air space. It is 150 mL.
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संबंधित प्रश्न
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Combines with the oxygen in the lungs.
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Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
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