Growth hormone is produced in

High pitch juvenile voice in males can be retained by

Hypokalaemia means

$I.$ Somatostatin inhibits intestinal absorption of glucose       $II.$ Leydig's cell secrete progesterone       $III.$ Melatonin is secreted by pineal gland       $IV.$ Myxoedema is a thyroid disorder       $V.$ Neurohypophysis secreted $ACTH$

Select the correct statements and choose the option

Addison's disease is caused by under secretion of

Disease caused by deficiency of iodine is