|
Thyroxine is secreted by |
|||||||
|
a) |
Hypothalamus |
b) |
Pituitary |
c) |
Thymus |
d) |
Thyroid |
|
Thyroxine is secreted by |
|||||||
|
a) |
Hypothalamus |
b) |
Pituitary |
c) |
Thymus |
d) |
Thyroid |
(d)
Thyroid gland secretes three hormones; thyroxine, tri-idothyronine, calcitonin.
Thyroxine increases BMR (Basal Metabolic Rate) and stimulates growth, tissue differentiation and metamorphosis of tadpoles into adult frog.