The correct answer would be option B, Thyroid Gland.
The Thyroid Gland secretes a hormone that increases the body's metabolic rate, promotes alertness, quickens reflexes and stimulates the fetal nervous system.
Explanation:
Thyroid Gland is a gland that is present in the base of the neck. It is a butterfly shaped organ. This gland secretes hormones. The metabolism is regulated through the secretion of this hormone by the thyroid gland.
The following functions are also regulated by the Thyroid Gland:
