The diagram below represents a reflex arc in human.

      

The diagram below represents a reflex arc in human.
physics5242017845.jpg
(a) Name the parts labeled X and Y.
(b) Name the substance that is responsible for the transmission of an impulse across the synapse

  

Answers


John
(a) X - Motor neuron,

Y - Sense organ/ receptor

(b) Acetylcholine
johnmulu answered the question on May 24, 2017 at 05:49


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