Question

You accidentally stub your toe on a chair when walking in a darkened room.
a A (pain receptor) relays this information by sensory nerves (the B) to the C which in this case is the spinal cord. You immediately step back because the spinal cord sends a command the D to your leg muscles, which are acting as the E .

please fill it A, B, C, D, E...​

Answer 1

Answer:

A - receptor

B - afferent neuron

C - spinal cord

D - motor neuron

E - efferent neuron (effector)