Biology Practice Problems Neurons and Action Potentials Practice Problems Solution: What causes a neuron to "fire?" How does this happ...

Solution: What causes a neuron to "fire?" How does this happen? In your own words, do your best to explain this process.

Problem

What causes a neuron to "fire?" How does this happen? In your own words, do your best to explain this process.

Solution

External stimuli such as sensory inputs and internal stimuli can trigger the neurons to fire. Stimuli opens the Na+ channels making the membrane more positive compared to the outside. 

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