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Serous fluid lubricates around organs and reduces friction as the organ moves against adjacent structures.
Capsaicin
A chemical compound found in chili peppers responsible for their hot and spicy flavor, which is also used in topical medications for its pain relief properties.
Substance P
A neuropeptide involved in the transmission of pain and other sensory signals in the central and peripheral nervous system.
Serotonin
A neurotransmitter that plays a crucial role in mood regulation, digestion, sleep, and various other bodily functions.
Dopamine
A neurotransmitter involved in reward, motivation, and various other neurological and physiological functions.
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