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Chemical Coordination and Integration

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Advanced Zoology

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  1. Calcitonin is a thyroid hormone which
    1. lowers calcium level in blood
    2. elevates calcium level in blood
    3. has no effect on calcium
    4. elevates potassium level in blood
Correct Option: A

Calcitonin is a polypeptide hormone which lowers calcium and phosphate level of plasma by inhibiting bone degradation and stimulating their uptake by bone. Parathyroid hormone elevates calcium level in blood.


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