Organism Level System

Question 1

What’s the order of nervous system

Answer 1

Stimulus in the environment is detected by the RECEPTOR CELLS.

This sends a nerve impulse to the SENSORY NEURON

The nerve impulse is then sent to the RELAY NEURON in the spinal cord

The nerve impulse is then sent to the brain and back to the spinal cord

The nerve impulse is then sent to the MOTOR NEURONE

This causes the effector (muscle or gland) to carry out a response