How the structure of synapse ensures that impulses travel in one direction

Synapse

It carries information through electrical impulses to the cell body.

It is the gap between neurons.

It ensures that information travels in one direction only.

Explanation:

A synapse is the gap or the junction where two or more neurons or nerve cells meet together.  

Also called the synaptic cleft, the synaptic gap receives the electrical signals and passes them through one nerve cell to another

The axon nerve endings release neurotransmitters which ensure that the path of transmission of impulses is only unidirectional – only from presynaptic to postsynaptic path.  

The synaptic gap between a nerve cell and an effector muscle cell is referred as the neuromuscular junction.

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step 1 ammonium can be absorbed by plants, but some is converted into nitrates which are better for plants to absorb. this is called nitrification. 2. step 2 the deer eats the plants and uses the nitrogen-containing proteins for cell growth. 3. step 3 bacteria in the soil conduct nitrogen fixation to convert nitrogen gas from the atmosphere into ammonium. 4. step 4 some of the nitrates are absorbed back into plants, but denitrification breaks down the nitrates into nitrogen gas released back into the atmosphere. 5. step 5 nitrogen is found in the urine, which gets broken down into ammonium through the process of ammonification. 6. step 6 plants absorb the ammonium and begin assimilation, the process to add the nitrogen to protein.