3. Answer the following questions in 30–40 words: (8 marks) a) How does the structure of a nerve cell help with its function?
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The structure of a neuron allows it to rapidly transmit nerve impulses to other cells. The axon of many neurons has an outer layer called a myelin sheath .Regularly spaced nodes, or gaps, in the myelin sheath allow nerve impulses to skip along the axon very rapidly.
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dendrites recieve impulses or messages from axons of adjacent neurons through synapse and transfer them to cyton the axon recieve impulses from cyton and passes them to the adjacent neuron. this process continuse till the nerve cells go on transfering impulses to other nerve cells joined to it till it reaches the brain
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