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How do oxygen and carbon dioxide levels take over time

2 Answers

7 votes

Answer:

Oxygen flows quickly through the blood through an air-blood barrier. Likewise, carbon dioxide flows into the alveoli from the blood and is then exhaled.

Step-by-step explanation:

User Mojoesque
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4 votes

In the capillaries, oxygen flows rapidly through the blood through this air-blood barrier. Similarly, carbon dioxide flows into the alveoli from the blood and is then exhaled.

User Freylis
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