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Encyclopedia > Organ (biology)

In biology, an organ is a group of tissues which perform some function. Common animal organs include the heart, lungs, brain, eye, stomach, spleen, pancreas, kidneys, liver, intestines, skin, uterus, bladder, bone, etc. Common plant organs include the stalk, stem, leaf, roots, and stamen. A group of related organs is an organ system.


Organelles are analogous sub-cellular structures.


Organ systems

See also


  Results from FactBites:
 
Highbeam Encyclopedia - Search Results for Organs (412 words)
surgical procedure by which a tissue or organ is removed and replaced by a corresponding part, either from another part of the body or from another individual.
group of organs that transport blood and the substances it carries to and from all parts of the body.
The portion that covers the internal organs, or viscera, is known as the visceral peritoneum and forms...
organ: Definition, Synonyms and Much More from Answers.com (1999 words)
The 19th-century desire for a highly expressive organ led to the obscuring of diapason tone by the large number of stops imitative of orchestral tone and to the common employment of the swell and the crescendo pedal.
Animal organs inside the thorax or abdomen are often referred to as internal organs (this term is not used for organs inside the head or other parts of the body).
The vegetative organs are essential for maintaining the life of a plant (they do the vegetative, vital functions, like photosynthesis), while the reproductive are essential in the reproduction.
  More results at FactBites »

 

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