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Earn 100

Explain the process of inspiration and expiration with diagrams.
Important Questions on Respiration and Circulation
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Match the following respiratory capacities and respiratory volumes of a normal human adult?
Respiratory capacities | Respiratory volumes | ||
i) | Residual volume | a) | 2800 mL |
ii) | Vital capacity | b) | 3000 mL |
iii) | Inspiratory reserve volume | c) | 1100 mL |
iv) | Inspiratory capacity | d) | 4000 mL |

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Assertion (): Biconcave shape of mammalian facilitates gas exchange.
Reason (): Biconcave shape provides a high surface to volume ratio.

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Select the correct events that occur during inspiration.
(a) Contraction of diaphragm
(b) Contraction of external intercostal muscles
(c) Pulmonary volume decreases
(d) Intrapulmonary pressure increases

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Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

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