1- (B) B. Stimulus received by the dendrites of a neuron sets off a chemical reaction that creates an electrical impulse.
2 - C. Electrical impulse transmitted through cell body and axon
3. A. At the end of the axon, electrical impulse releases chemicals
4. D. The chemicals cross the synapse and reach the next neuron. Similarly, the electrical impulse crosses several neurons
5. E. Finally, the impulse is delivered from neuron to the gland that helps in recognition of the foul smell and muscle cells that help in covering the nose
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