Examlex
Which digestive secretion is correctly matched to its function?
Hydrogen Ions
Positively charged ions (H+) that are simply protons and play essential roles in chemical reactions, particularly in determining the acidity or pH of solutions.
Bicarbonate Ions
An ion consisting of hydrogen, carbon, and three oxygen atoms, playing a crucial role in maintaining pH balance in the blood.
Acidity
A chemical property that quantifies the amount of acid in a solution, often measured by pH levels.
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