Endocrine System

Thyroid and Parathyroid Glands

Why is calcitonin important?

Calcitonin helps regulate the calcium in the blood. When the concentration of calcium ions rises in the blood, there is an increase in the secretion of calcitonin to reduce the level of calcium in the blood. When the calcium concentration falls and returns to normal, the secretion of calcitonin ceases. Calcitonin is important because it stimulates bone growth, especially in children.


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