Neural Excitation
What is the phase called when a nerve first sends a signal to a muscle?
What is muscular excitation?
What type of cell sends the message that tells a muscle to contract?
What is a motor neuron?
When ACh attaches to the muscle, which ion moves in to start the signal?
What is sodium (NA+)
What are the tunnels that carry the signal deep inside the muscle cell called?
What are T-Tubules?
What enzyme breaks down acetylcholine so the muscle can relax?