Answer:
when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron. The neuromuscular junction is the name of the place where the motor neuron reaches a muscle cell.
From the inside or lumen, through the gut wall into the blood
Control any bleeding.
Apply ice to the injured area to ease pain and reduce swelling.
Remove any jewelry right away. ...
Support a deformed hand on a pillow.
Take an over-the-counter pain reliever like acetaminophen or ibuprofen.
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I really suggest you go to a doctor if you have broken your arm. Failing to do so can result in your arm being in more pain and it could heal the bone wrong.
