3. Enteric nerve circuits Intrinsic reflexes that affect motility, water and electrolyte secretion and blood flow all occur in the intestine Circuits for motility control Longitudinal Interneuron Circular muscle muscle motor neuron motor neuron ORAL ANAl Intemeuron Network of13 3. Enteric nerve circuits Intrinsic reflexes that affect motility, water and electrolyte secretion and blood flow all occur in the intestine ❖Circuits for motility control