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The diagram below represents a reflex arc in a mammal. (a) Name the parts labeled X and Y. (b) Name the substance that is responsible for the...

      

The diagram below represents a reflex arc in a mammal.
fig91420191229.png

(a) Name the parts labeled X and Y.
(b) Name the substance that is responsible for the transmission of an impulse across a synapse.

  

Answers


Kavungya
a)X – Motor neurone; rej Axon alone acc. Axon of motor neurone
Y – Sense organ/Receptor/Receptor organs rej Receptor cells, sensory cells Acc. Receptor organ.
(b) Acetycholine/Noradrenaline/Norepinespirines
Kavungya answered the question on April 1, 2019 at 09:31


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