Question

1.
a. Label the parts 1-5 indicated by the guidelines,
b. What is the junction between two adjacent units referred to
as? Is there a physical connection between adjacent units?
c. How are nerve impulses transmitted from one unit to the next?
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Answer 1

Answer:

Here is your answer;-

a). 1) = nucleus

2) = cell body/ nissle granules.

3) = Schwan cell.

4) = Axon.

b) Node of ranvier; yes

c) nurve impulse transmission due to synapyomal cleft.