Calcium level in the blood is regulated by the: ___________?
AThyroid
BAdrenal medulla
CParathyroid
DA and B
Correct answer
D. A and B
Explanation
The parathyroid glands are a group of four glands neighboring the thyroid gland that are the main regulators of the blood calcium in your body. Parathyroid glands release parathyroid hormone (PTH) which increases your blood calcium levels.