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How you get carbon dioxide out?

Updated: 9/21/2023
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Wiki User

12y ago

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The same hemoglobin molecules that absorb oxygen in the lungs release it to the cells in the capillaries and pick up carbon dioxide from the cells. When the blood returns to the lungs, the hemoglobin releases the carbon dioxide and replaces it with fresh oxygen. The carbon dioxide released by the hemoglobin travels across the membranes in the lungs and is breathe out when we exhale.

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12y ago
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Q: How you get carbon dioxide out?
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