Spinal Reflex arc

Question 1

Step 1

Answer 1

Pain receptors in the skin detect the stimulus and produce a nerve impulse

Question 2

Step 2

Answer 2

Sensory neuron conducts the nerve impulse from the receptor to the spinal cord

Question 3

Step 3

Answer 3

Information is processed in the CNS. One or more interneurons pass the message to the appropriate motor neuron.

Question 4

Step 4

Answer 4

Motor neuron carries a nerve impulse to the effector

Question 5

Step 5

Answer 5

The effector, contracts removing the hand from the painful stimulus