Biomedical Engineering > GATE 2023 > Human Anatomy and Physiology
The volume percentage of oxygen in inspired air is 20% and that of expired air is 16%. A person is breathing at a rate of 12 breaths per minute. Each breath is 500 ml in volume. The cardiac output is 5 liters per minute.
Assuming ideal, healthy lung and cardiac conditions, what is the change in percentage of oxygen in blood over 1 minute? (Round off the answer to one decimal place.)

Correct : 9.6

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