I believe the correct answer is C. Neurotransmitters
Explanation:
These chemicals are called neurotransmitters, and the process is called neurotransmission. The space between the axon and the dendrites is called the synapse. When neurons communicate, an electrical impulse triggers the release of neurotransmitters from the axon into the synapse. Neurotransmitters are often referred to as the body's<u> chemical messenger</u>s. They are the molecules used by the nervous system to transmit messages between neurons, or from neurons to muscles.
The first thing that should be done is checking the way the claim is coded. this is important because if the code is not correct the insurance company will deny it so that needs to be correct to resubmit
