The function of the Eustachian tube is to equalise the pressure between the:4
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The normal rate of breathing when at rest is:4
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The total pressure of a mixture of gases is equal to the sum of the partial pressures of the gases in the mixture. This is:4
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The blood in the pulmonary artery is:4
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At rest the cardiac output (the quantity of blood the heart pumps in one minute) of an adult is approximately:4
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The normal arterial blood-pressure of a healthy adult at rest is (systolic/diastolic):4
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The partial pressure of carbon dioxide in the alveoli is:4
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Healthy people are usually capable of compensating for a lack of oxygen up to:4
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If somebody starts breathing faster and deeper without physiological need4
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The effects of Galactic radiation:4
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