7 entries under expression topic. ×

8
group of organs(body, organism, human)
2
body system(biology, body, organism)
2
group of tissues(biology, system, organism)
2
organs that work together(biology, system, organism)
1
biological system(organization, system, community)
1
group of anatomical structures(system, together, organanism)
1
tissues system(biology, system, organism)
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APASmart Define. (1970). organ system thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/organ_system/thesaurus/synonyms
ChicagoSmart Define. 1970. "organ system thesaurus" https://smartdefine.org/organ_system/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 1970, organ system thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/organ_system/thesaurus/synonyms>.
MLASmart Define. "organ system thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/organ_system/thesaurus/synonyms>