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| | Organ - definition from Biology-Online.org |
 | | (Science: biology) A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc, are organs of animals; the root, stem, foliage, etc, are organs of plants. |
 | | In animals the organs are generally made up of several tissues, one of which usually predominates, and determines the principal function of the organ. |
 | | A medium of communication between one person or body and another; as, the secretary of state is the organ of communication between the government and a foreign power; a newspaper is the organ of its editor, or of a party, sect, etc. |
| www.biology-online.org /dictionary/Organ (390 words) |
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