5. Which of the following is known as master gland in man? A.Pancrease B.Pituitary C.Adrenal D.Thyroid
Answer: Option A Solution: Calcitonin is a hormone that is produced in humans by the parafollicular cells (commonly known as C-cells) of the thyroid gland. Calcitonin is involved in helping to regulate levels of calcium and phosphate in the blood, opposing the action of parathyroid hormone.
b. pituitary gland