Human Nervous System br Classification of Human Nervous System br 1. Central Nervous System br 2. Peripheral Nervous System br Chemical Coordination br Hormones br They are organic compounds of varing structural complexity br Endocrine Glands of Mammals Hormones br 1. Hypothalamus br 2. Pituitary glands br Anterior Lobe br Median Lobe br Posterior Lobe br -Thyroid Glands and its Hormones br Islets of Langerhans ( Pancreas ) br 1. Insulin br 2. Glucagon br Adrenal Glands and its Hormones br Adrenal Hormones br Adrenal Medulla Hormones br Adrenal Cortex Hormones br Coordination and Control br Chapter No.