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Breathing and Exchange of Gases
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Biology
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Biology
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Breathing and Exchange of Gases
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What is the funtion of pleural fluid?
The pleural fluid reduces the friction on the lung surface.
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Why is it difficult to breath at high altitudes ?
It becomes difficult to breath because th
e oxygen concentration is less at high altitudes,
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Why it is healthier to breath through nose ?
The air inhaled through nose gets filtered and become free from dust and bacteria. Moreover, in nose air is brought at the optimum temperature.
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What is the role of diaphragm ?
Diaphragm helps in breathing. It increases or decreases the volume of the thoracic chamber. Thus, helping i inspiration or expiration.
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What is the utility of tracheal rings ?
Tracheal rings prevent the walls of trachea from collapsing and also provide elasticity.
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