Overview I am not sure where this image is from, I only edited Neuronal classification login to view 8 more bullets Central Nervous System (CNS) = brain and spinal cord Autonomic: controls activities NOT under direct conscious control login to view 12 more bullets Somatic (ACh N): controls activities under direct conscious control (movement and respiration) login to view 1 more bullet ACh receptors Nicotinic ACh receptors login to view 6 more bullets Muscarinic ACh receptors login to view 7 more bullets