GABA...
“GABA is the primary inhibitory neurotransmitter, which means it decreases the neuron's action potential. When the action potential drops below a certain level, known as the threshold potential, the neuron will not generate action potentials and thus not excite nearby neurons.”
The chain of command in its simplest definition is the line of authority and responsibility along which orders are passed within the nursing department, the hospital, and between different units. Nurses who ignore the chain of command may lose their jobs, and in some cases their licenses.
(It can flex the neck, extend the head etc. It may also act as an accessory muscle of inspiration).
When only one SCM muscle contracts, it tilts your head to the same side (the same side the muscle contracted).
The SCM on the right side of your neck will tilt the head to the right. In some cases, one SCM may turn your head to the opposite side.
