1. EQ
What is the difference between spinal and cranial nerves?

2. Cranial nerves 12 pairs of nerves that are associated with the brain
Most only service the head

3. Spinal nerves 31 pairs that branch from the spinal cord
Named by where they branch from the cord:
Vertebral regions
Cervical, thoracic, lumbar, sacral, and coccygeal

4. EQ: What is a reflex arc?

5. Reflex A rapid motor response to a stimulus
Involves the PNS and spinal cord only
most are unlearned and involuntary…you are born with them!
Forms a reflex arc
receptor
Sensory neuron
Spinal cord
Motor neuron
effector