Which of the following is considered to be a breath
A
2 inhalation + 2 exhalation
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B
1 inhalation + 2 exhalation
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C
2 inhalation + 1 exhalation
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D
1 inhalation + 1 exhalation
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Solution
The correct option is D 1 inhalation + 1 exhalation
The number of times a person breath is called breathing rate. A breath consists of one exhalation and one inhalation. Inhalation involves breathing in the air while exhalation involves the breathing out the air.
So the correct answer is '1 inhalation + 1 exhalation'.