ACh ACh Parasympathetic Medulla Cardiac and smooth muscle land cells, nerve terminals ACh N Sympathetic ACh Sweat glands ACh N NE Sympathetic Cardiac and smooth muscle gland cells, nerve terminals Spinal cord ACh N Sympathetic Renal vascular smooth muscle ACh Epi. NE ACh Adrenal medulla Somatic Skeletal muscle Voluntary motor nerve Copyright @2006 by The McGraw-Hill Companies, Inc. All rights reserved3