Organs and Organ Systems - Research Article from World of Anatomy and Physiology

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An organ is composed of two or more different types of tissue that work together to carry out a complex function. An organ system consists of a group of organs that perform intricate functions necessary for the survival of an organism. Sometimes an organism can survive with an impaired or nonfunctioning organ. However, when a whole system of organs shuts down, the life of the organism becomes compromised. Thus, the organ systems work together to maintain a constant internal environment called homeostasis within the body to ensure survival of the organism.

There are 11 organ systems within the human body: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive.

The integumentary system acts as a protective barrier for the human body against microorganisms, dehydration, and injuries caused by the outside environment. Additionally, the integumentary system regulates body temperature. Organs of...

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This section contains 702 words
(approx. 3 pages at 300 words per page)
Buy the Organs and Organ Systems Encyclopedia Article
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Organs and Organ Systems from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.