Question:
When 1500 ml air is in the lungs, it is called
When 1500 ml air is in the lungs, it is called
Updated On: May 11, 2024
- residual volume
- inspiratory reserve volume
- vital capacity
- tidal volume.
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The Correct Option is A
Solution and Explanation
Residual volume is the amount of air that remains in the lungs after forcible expiration. It is about 1500 ml. It enables the lungs to continue exchange of gases even after maximum exhalation or holding the breath. Inspiratory reserve volume is the extra amount of air which can be inhaled forcibly after a normal inspiration. It is about 2000 to 2500 ml. Vital capacity is the amount of air which one can inhale and also exhale with maximum effort. It is about 3.5 - 4.5 litres. Tidal volume (500 ml) is the volume of air normally inspired or expired in one breath without any effort.
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Concepts Used:
Breathing and Exchange of Gases
A metabolic process, which is carried out by all living organisms including plants, animals, and humans for the production of energy and to stay alive is Respiration. Except for required anaerobes, every other organism from amoeba to humans needs oxygen for survival. And evolution has reported a number of systems that allows the exchange of gases in organisms.
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- Anaerobic respiration — to produce energy, occurs in the absence of oxygen
Breathing can be simply derived as the process of inhaling oxygen gas from the atmosphere and exhaling the carbon dioxide gas back into the atmosphere is termed breathing and the process is commonly known as respiration.
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