1. how was franz gall a biological psychologist? 2. define the parts of a neuron. what causes ms? 3. describe the functions of neurotransmitter agonists and antagonists. know opiates and alcohol as examples 4. give a general definition of the nervous system. 5. what are neural networks and how are they formed? define the functions of each nervous system: 6. a reflex 35 describe the relationship between endocrine glands, hormones, and the bloodstream. 7. how is the endocrine system involved body growth? what is the master gland?