3. how does the body regulate h* levels in the blood?
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The respiratory system contributes to the balance of acids and bases in the body by regulating the blood levels of carbonic acid (Figure 2). CO2 in the blood readily reacts with water to form carbonic acid, and the levels of CO2 and carbonic acid in the blood are in equilibrium. ... Respiratory Regulation of Blood pH.

Explanation:

https://opentextbc.ca › anatomyandphysiology › chapter › 25-9-regulation...

Regulation of H+, Bicarbonate, and pH The acid–base homeostasis of the body is a function of chemical buffers and physiologic buffering provided by the lungs and kidneys. ... The cells of the PCT actively secrete H+ into the forming urine as Na+ is reabsorbed. The body rids itself of excess H+ and raises blood pH.

HERE ARE 2 ANSWERS PLS CHUSE WHAT U PERFER. CREDIT TO GOOGLE

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.