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BIOLOGY

JAMB 2023 - Question 30

Biology 2023 JAMB Past Questions - Question 30: The transmission of impulses along a nerve fibre is characterized by

The transmission of impulses along a nerve fibre is characterized by

A: hormonal and temperature changes

B: electrical and ionic changes

C: hormonal changes

D: electrostatic changes

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Correct Answer

Explanation

Neurons send messages electrochemically; this means that chemicals (ions) cause an electrical impulse. Neurons and muscle cells are electrically excitable cells, which means that they can transmit electrical nerve impulses. These impulses are due to events in the cell membrane.