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Ora Orb Org Ori

Organ

/ˈôrgən/

Noun, pl. organs

(Biology)

1. A collection of tissues joined in a structural unit to serve a common function. (wikipedia.org)

2. A part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans. (Google Dictionary)

Word origin: The meaning “body part adapted to a certain function” is attested from late 14c., from a Medieval Latin sense of Latin organum.

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