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Phosphorus Role

Phosphorus Role (Human Nutrition · Phosphorus) — "Phosphorus is present in our bodies as part of a chemical group called a phosphate group. These phosphate gro…

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  • Phosphorus has structural, metabolic, and regulatory roles in the body.
  • In the body, phosphorus is present as part of phosphate groups.
  • Phosphate groups support several essential biological functions.
  • They form a structural component of cell membranes as phospholipids.
  • They are structural components of DNA and RNA.
  • They participate in energy production through ATP.
  • They help regulate acid-base homeostasis.
  • Phosphorus is mostly associated with calcium in the mineral structure of bones and teeth.
  • Blood phosphorus levels are not controlled as strictly as calcium levels.
  • Parathyroid hormone stimulates renal excretion of phosphate.
  • This excretion prevents phosphate from accumulating to toxic levels.
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Phosphorus Role

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Human Nutrition

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"Phosphorus is present in our bodies as part of a chemical group called a phosphate group. These phosphate groups are essential as a structural component of cell membranes (as phospholipids), DNA and RNA, energy production (ATP), and regulation of acid-base homeostasis. Phosphorus, however, is mostly associated with calcium as a part of the mineral structure of bones and teeth. Blood phosphorus levels are not controlled as strictly as calcium, so the PTH stimulates renal excretion of phosphate so that it does not accumulate to toxic levels."

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