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| Description: The pH of arterial blood ranges from 7.35 to 7.45. Several mechanisms maintain this range. - Buffer systems - Exhalation of carbon dioxide - Kidney excretion of H+ Buffer systems include: - Protein buffer system: most abundant in intracellular fluid and blood plasma. When pH rises, the COOH group dissociates to act like an acid. Picture Stats: Views: 462 Filesize: 94.3kB Height: 325 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40385 |