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During normal exhalation,
Acetylcholine
A neurotransmitter in both the peripheral and central nervous systems that is involved in muscle activation, memory formation, and learning.
Neurotransmitter
Chemical messengers that transmit signals across synapses from one neuron to another, facilitating communication within the nervous system.
Voluntary Muscles
Muscles that can be consciously controlled to perform movements, as opposed to involuntary muscles, such as those in the heart or digestive system.
Agonist
An agonist is a chemical or drug that binds to receptors in the brain and activates them, often mimicking the action of naturally occurring substances.
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