If the message sends, the message will travel down the neuron's _.

This part of the neuron covers the axon in order to accelerate the speed of the message.

Once the message reaches the _, it stimulates the release of neurotransmitters for the whole process to happen again at the next neuron.

If the neurotransmitters stimulate the neuron to its, threshold the message will send. What is the threshold?

When a neuron is ready to take on a message, it is considered to be in _.

When a neuron is actively sending a message, it is considered to be in _.

When a neuron is recharging and cannot fire, it is in what stage?

When a neuron is in resting potential, its charge is considered to be:

During action potential, the charge is:

During the refractory period, the charge is:

During action potential, _ ions flood the neuron.