Now, eventually I'm going to feel that, but initially, I have no control over the fact that my hand will automatically move. And this is known as a reflex arc. And our somatic nervous system controls this reflex arc, and it involves both sensory and motor neurons. So we have two types of reflex arcs. We have monosynaptic and polysynaptic. So monosynaptic simply means we have a single synapse between our motor neuron and a sensory neuron.