Trace a spinal reflex from receptor through sensory, relay and motor neurones, locate the relay synapse in grey matter, and select the correct pathway to the effector.
Whales are large mammals.
The photograph shows a beluga whale and a human diver.
A beluga whale can respond to a stimulus using a spinal reflex arc.
Which row is correct?
Location of relay neurone
Location of cell body on
the sensory neurone
grey matter of spinal cord
at the end of the axon
grey matter of spinal cord
in the middle of the axon
white matter of spinal cord
at the end of the axon
white matter of spinal cord
in the middle of the axon