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How do bicarbonate ions play a role in regulating hemoglobins affinity for oxygen and carbon...

Question:

How do bicarbonate ions play a role in regulating hemoglobins affinity for oxygen and carbon dioxide?

Transport of Carbon Dioxide:

Carbon dioxide travels through blood to the lungs in three ways. It can travel with hemoglobin, as bicarbonate ions and dissolved in blood plasma. When carbon dioxide reaches the lungs, it is diffused out while oxygen is diffused into the blood.

Answer and Explanation: 1

Bicarbonate ions are one of the three ways in which carbon dioxide can be transported through the body. Bicarbonate ions take dissociated H+ ions from hemoglobin so that the ions can travel through the blood. The presence of bicarbonate allows for hemoglobin to dissociate from oxygen more readily.


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Carbon Dioxide Transport in the Blood

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Chapter 13 / Lesson 4
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Learn to define the most common method of carbon dioxide transportation. Discover the process of how carbon dioxide is transported and used in the blood and lungs.


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