Examlex
The compound NH₃ is classified as which of the following?
Acetylcholine
A neurotransmitter involved in many functions including muscle movement and memory formation.
Endorphins
Endorphins are neurotransmitters produced by the brain that act as natural painkillers and mood enhancers, often released during stress and physical activity.
Stressor
Any stimulus or event that causes stress, challenging an individual's ability to cope and potentially leading to stress-related disorders.
Stress Reaction
The physical, mental, and emotional response to perceived threats or challenges.
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