The reasons for the demise of the Minoan civilization continue to be debated. The rise of the Mycenaean civilization in the mid-2nd millennium BC on the Greek mainland and the evidence of their cultural influence on Minoan art and trade make them the most likely cause.
The hormone produced by the para follicular cells of the thyroid gland is calcitonin (CT). CT can decrease the level of calcium in the blood by.
The parathyroid glands produce parathyroid hormone, which helps maintain an appropriate balance of calcium in the bloodstream and in tissues that depend on calcium for proper functioning. Two types of hyperparathyroidism exist.