Q. In humans, four parathyroid glands are present on the back side of the _______, one pair each in the two lobes of _______.
Choose the one word that fit suitably in the given both blanks.

 2006  232 Chemical Coordination and Integration Report Error

Solution:

In humans, four parathyroid glands are present on the back side of the thyroid gland, one pair each in the two lobes of thyroid gland.