Class 10 Exam > Class 10 Questions > A healthy person can inhale up to …………… litre...
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A healthy person can inhale up to …………… litres of air in one breath
- a)2 litres
- b)6 litres
- c)4 litres
- d)1 litres
Correct answer is option 'B'. Can you explain this answer?
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A healthy person can inhale up to …………… litres of air in one breatha)2...
The average adult at rest inhales and exhales something like 7 or 8 liters (about one-fourth of a cubic foot) of air per minute. That totals something like 11,000 liters of air (388 cubic feet) in a day.
The air that is inhaled is about 20-percent oxygen, and the air that is exhaled is about 15-percent oxygen, so about 5-percent of the volume of air is consumed in each breath and converted to carbon dioxide. Therefore, a human being uses about 550 liters of pure oxygen (19 cubic feet) per day.
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A healthy person can inhale up to …………… litres of air in one breatha)2...
An average human being at rest inhales and exhales about 7 or 8 liters of air per minute. That totals to more than 11,000 liters of air in a day. Thus, the correct answer is option B
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A healthy person can inhale up to …………… litres of air in one breatha)2...
To find out how much air a healthy person can inhale in one breath, we need to consider the average lung capacity. The average lung capacity for a healthy adult is around 4-6 liters. Therefore, the correct answer is option B: 6 liters.
Here is a detailed explanation:
1. Lung capacity: Lung capacity refers to the maximum amount of air that can be inhaled or exhaled during a breath. It is influenced by factors such as age, sex, height, weight, and overall health.
2. Tidal volume: Tidal volume is the amount of air that is inhaled or exhaled in a normal breath. On average, a person at rest inhales and exhales about 500 milliliters (0.5 liters) of air with each breath.
3. Inspiratory reserve volume: Inspiratory reserve volume is the additional amount of air that can be inhaled after a normal breath. It is estimated to be around 3 liters.
4. Expiratory reserve volume: Expiratory reserve volume is the additional amount of air that can be exhaled after a normal breath. It is also estimated to be around 3 liters.
5. Residual volume: Residual volume is the amount of air that remains in the lungs even after a maximum exhalation. It is about 1-1.5 liters.
6. Total lung capacity: Total lung capacity is the sum of tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. On average, it is around 4-6 liters.
7. Therefore, a healthy person can inhale up to 4-6 liters of air in one breath.
In conclusion, the correct answer is option B: 6 liters.
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A healthy person can inhale up to …………… litres of air in one breatha)2 litresb)6 litresc)4 litresd)1 litresCorrect answer is option 'B'. Can you explain this answer?
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