How does hemoglobin function as a pH buffer?a. Hemoglobin binds hydrogen ions when carbon dioxide exits the red blood cell. b. Hemoglobin releases hydrogen ions after carbon dioxide enters the red blood cell. c. Hemoglobin binds hydrogen ions after carbon dioxide enters the red blood cell. d. Hemoglobin releases hydrogen ions when oxygen exits the red blood cell.

Option C.

Haemoglobin binds Hydrogen ion after carbondioxide enters red blood cells.

Explanation:

Haemoglobin is the protein in the red blood cells that help to transport oxygen in the blood. It is an iron compound. Haemoglobin acct as buffer by binding to acid or hydrogen ion in the blood when carbondioxide enters the blood, to remove the acid in the blood before it changes the blood pH.

the correct answer is c   with the systems

acceleration = 18/3 = 6 m/s per second.

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-lavira: )