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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

process, physical process go
a sustained phenomenon or one marked by gradual changes through a series of states

organic process, biological process go
a process occurring in living organisms

metabolism, metabolic process go
the organic processes (in a cell or organism) that are necessary for life

respiration, internal respiration, cellular respiration
the metabolic processes whereby certain organisms obtain energy from organic molecules

noun.act

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