Gas exchange Flashcards

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1
Q

In the alveoli is there a high concentration of oxygen or carbon dioxide

A

In the alveoli, there is a high concentration of oxygen and a low concentration of carbon dioxide.

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2
Q

What does the layer of moisture do

A

Oxygen dissolves in the layer of moisture, so it can diffuse through cell membranes.

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3
Q

In the blood is there a high concentration of oxygen

A

no there is a low concentration of oxygen

so the oxygen diffuses from the alveoli into the blood.

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4
Q

In the blood is there a high concentration of carbon dioxide

A

yes, there is a high concentration of carbon dioxide

so diffuses from the blood into the alveoli.

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