GAS EXCHANGE AND PARTIAL PRESSURE & OXYGEN TRANSPORT

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6 Terms

1
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What drives the movement of gases into and out of the blood?

Differences in partial pressures of individual gases like oxygen and carbon dioxide.

2
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What is partial pressure?

is the pressure contributed by a single gas in a mixture of gases.

3
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In what two ways is oxygen carried in the blood, and what are the relative amounts?

About 98.5% of oxygen is bound to hemoglobin, and about 1.5% is dissolved in plasma.

4
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What is oxyhemoglobin?

is hemoglobin bound to oxygen.

5
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What is deoxyhemoglobin?

is hemoglobin that is not carrying oxygen.

6
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What does the utilization coefficient represent?

It refers to the percentage of oxygen released by hemoglobin at the systemic capillaries.