The thyroid gland secretes _______ hormone and the parathyroid gland secretes _______ hormone.
1
Calcitonin, Thyroxine
2
Thyroxine, Parathyroid hormone
3
Parathyroid hormone, Calcitonin
4
Thyroxine, Calcitonin
The thyroid gland secretes _______ hormone and the parathyroid gland secretes _______ hormone.