MA+Nerve+Notes

=Class notes:=

A nerve is a bundle of many nerve cells. Spinal cord is the biggest nerve in your body. Brain is where signals are processed. If you break off signals at the spine can't communicate to the brain. When you touch something goes to your spine then your brain.

Action Potential: Stimuli travels down the axon and the charge of sodium(positive) moves in and potassium moves out.

Sodium in makes it positive...potassium out makes it negative.

Synapse is where one neuron connects to another neuron.