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Technician A says the compressor can pump both liquids and vapor. Technician B says the compressor is driven off the crankshaft by a belt. Who is correct?
Epinephrine
Epinephrine, also known as adrenaline, is a hormone and neurotransmitter that increases heart rate, contracts blood vessels, and opens airways in response to stress or excitement.
Acetylcholine
A neurotransmitter involved in many functions including muscle contraction, arousal, and memory formation.
Norepinephrine
A neurotransmitter and hormone, involved in the body's response to stress, increasing heart rate, blood pressure, and blood sugar levels.
Dopamine
A neurotransmitter involved in many functions, including motivation, reward, attention, and the regulation of movement and emotional responses.
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