Somatic and autonomic Nervous system Somatic autonomic Skeletal muscle Smooth and cardiac muscle and glands ● Conscious and Unconscious regulation unconscious movement Target tissues stimulated e Skeletal muscle contracts or inhibited o One synapse Two synapses acetylcholine Acetycholine by preganglionic neurons and ACh or norepinephrine by postganglionic neuronsSomatic and Autonomic Nervous System Somatic ⚫ Skeletal muscle ⚫ Conscious and unconscious movement ⚫ Skeletal muscle contracts ⚫ One synapse ⚫ Acetylcholine Autonomic ⚫ Smooth and cardiac muscle and glands ⚫ Unconscious regulation ⚫ Target tissues stimulated or inhibited ⚫ Two synapses ⚫ Acetycholine by preganglionic neurons and ACh or norepinephrine by postganglionic neurons