WAEC - Biology (1995 - No. 20)
Which of the following is the correct route of transmission of impulses along a reflex arc?
Receptor → sensory neurone → synapse → intermediate neurone → synapse → motor neurone → effector
Receptor → motor neutron e synapse → intermediate neurone → synapse → sensory neurone effector
Receptor → synapse → sensory neurone → intermediate neurone → synapse → effector → motor neurone
Effector → motor neurone → synapse → sensory neurone → synapse → intermediate neurone → receptor
Effector → intermediate neurone → synapse → motor neurone → synapse → sensory neurone → receptor.