Question

“We withdraw our leg when stepped on thorn unknowingly.” (a) Trace the sequences of events which occur in this action. (b) Which part of human nervous system controls this action ?

Answer 1

≠≠> (a) When one steps onto a thorn the message is carried by the sensory neuron to the reflex areas present in the spinal cord which elicts the response through motor neuron to the site of the stimulus and the person withdraws his / her leg .

≈≈> (b) The spinal cord .