Science Fair Project Encyclopedia
Organ (anatomy)
(Redirected from Internal organ)
In biology, an organ (Latin organum: instrument, tool) is a group of tissues, which perform a specific function or group of functions. Common animal organs include the heart, lungs, brain, eye, stomach, spleen, pancreas, kidneys, liver, intestines, skin, uterus, bladder, bone, etc. A group of related organs is an organ system.
Organelles are analogous sub-cellular structures.
Organ systems
- circulatory system
- digestive system
- endocrine system
- immune system
- integumentary system
- lymphatic system
- muscular system
- nervous system
- reproductive system
- respiratory system
- skeletal system
- urinary system
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details