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/ˈôrgən/ Noun, pl. organs (Biology) 1. A collection of tissues joined in a structural unit to serve a common function. ( 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...

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/ˈôrgəˌnizəm/ Noun, pl. organisms 1. An individual animal, plant, or single-celled life form. ( 2. The material structure of such an individual. ( 3. Any contiguous living system (such as animal, fungus, micro-organism, or plant). In at least some form, all types of organisms are capable of response to stimuli, reproduction, growth and development, and maintenance of homeostasis as a stable whole.( 4. A discrete and complete living thing, such as animal, plant, fungus or microorganism. (   Word origin: Greek ὀργανισμός – organismos, from Ancient Greek ὄργανον – organon (instrument, implement, tool, organ of sense or...

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