positively charged ion
negatively charged ion
a component that of stomach acid
atrial naturetic peptide (ANP)
a hormone that is secreted when blood pressure rises too high
a cation involved in the bone formation
the most abundant cation in the fluid surrounding cells
the most abundant cation inside cells
the adrenal hormone that promotes the reabsorption of sodium
a hormone that promotes calcium deposition in bones
a hormone secreted from the posterior pituitary that causes the kidney to reabsorb water
a hormone that causes the kidney to readsorb calcium
the organ that regulates pH balance by altering carbon dioxide retention
the organ that regulates pH balance by altering urine acidity
substance that directly determines the acidity or alkalinity of a fluid
any substance that aids in maintaining a constant pH
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