Which endocrine organ acts like the postganglionic neurons of the sympathetic nervous system? A) thyroid gland
B) thymus gland
C) adrenal cortex
D) adrenal medulla
E) islets of Langerhans of the pancreas
B) thymus gland
C) adrenal cortex
D) adrenal medulla
E) islets of Langerhans of the pancreas