The nerves in the Somatic Nervous System control writing because writing is not an involuntary action.
cerebr
Phrenic Nerve
The Radial Nerve.
You die.
There are no muscles that are controlled by force of will. Your brain sends messages to the nerves that control your muscles and that is what moves them.
According to recent studies, there are 13 nerves in and around your belly button. They control the muscles in your tongue,
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Nerves
all the nerves go thru the spine so the control is for all the muscles and organs from the neck down.
Lumbar Nerves "L" (nerves in the lower back) supply the legs, the bladder, bowel and sexual organs.
Control motion of muscles, secretions of certain organs, and send information back to the brain.
Neuromuscular disorders affect the nerves that control your voluntary muscles. Voluntary muscles are the ones you can control, like in your arms and legs. Your nerve cells, also called neurons, send the messages that control these muscles. When the neurons become unhealthy or die, communication between your nervous system and muscles breaks down. As a result, your muscles weaken and waste away. The weakness can lead to twitching, cramps, aches and pains, and joint and movement problems. Sometimes it also affects heart function and your ability to breathe