The hormone responsible for the regulation of metabolism of calcium and phosphorus is secreted by

Options

A. Thyroid
B. Parathyroid and thyroid both
C. Thymus
D. Pancreas

Answer

B

Explanation

Parathyroid gland secretes parathormone that helps to increase blood `Ca^(2+)` and phosphate level while thyroid parafollicular cells secrete calcitonin that helps to decrease blood `Ca^(2+)` level.