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This division of the nervous system controls involuntary functions like heart rate and digestion.
What is the autonomic nervous system?
This structure connects the brain to the rest of the body and controls many reflexes.
What is the spinal cord?
The Autoimmune Disorders I mentioned
What is Multiple sclerosis
How many nerves are in the human body
7 MILLION
These chemicals carry messages across the gap between neurons at the synapse.
What are neurotransmitters?