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The diagram below represents three types of neurons found in a mammalian body.

      

The diagram below represents three types of neurons found in a mammalian body.
pic16920191549.png
(a) Name the neurons X, Y and Z
(b) Name the chemical substance responsible for the transmission of an impulse across the gap labelled W.
(c) State two functions of the part labelled M.
(d) In which part of the spinal cord is neurone Y located?
(e) Using arrows indicate on the diagrams the direction followed by nerve impulse leading to a response.

  

Answers


sharon
a) X Motor (neurone)/ Efferent;
Y Relay/connector (neurone);
Z Sensory/Afferent (neurone);
b) Acetylcholine/nor adrenaline;
c) -Protects and insulates the axon;
- Speed up and propagate nerve impulse;
d) Grey matter.
e) From neurone Z to Y to X
sharon kalunda answered the question on September 16, 2019 at 12:52


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