Explain the role of PTH and calcitonin in maintaining blood calcium. 11th biology
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Explanation:
Vitamin D stimulates intestinal absorption of calcium, regulates PTH release by the chief cells, and mediates PTH-stimulated bone reabsorption. Calcitonin lowers calcium by targeting bone, renal, and GI losses.
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Explanation:
PTH works in concert with another hormone, calcitonin, that is produced by the thyroid to maintain calcium homoeostasis. Parathyroid hormone acts to increase blood calcium levels, while calcitonin acts to decrease blood calcium levels
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