Ravi is sleeping. His breathing rate will be slowest or higher? Give reason for your answer.
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it will be slower.since we are inactive, oxygen requirement is low.
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The breathing rate will be lowest while sleeping because the respiratory rate or breathing frequency is the rate at which the number of inhalation and exhalation cycles are taken within a set time. The typical respiratory rate for a healthy adult at rest is 12–20 breaths per minute. However, the average resting respiratory rates differ with age. Food stimulates the nervous system which further tends to increase respiration rate.
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