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15 terms

the urinary system 5

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