title: Aging in an adult insect heart.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000375:Aging; D004298:Dopamine / Q000494:pharmacology; D005260:Female; D006321:Heart / Q000502:physiology*; D006339:Heart Rate / Q000187:drug effects; D007313:Insecta; D008297:Male; D012701:Serotonin / Q000494:pharmacology
chemical_list: D012701:Serotonin; D000109:Acetylcholine; D004298:Dopamine