From the latin corpus, the term body contains several meanings. It concerns, for example, that the extension is limited and is perceptible by the senses, all the organic systems that constitute a living being, all things within a written work and the thickness or density of liquids.
The human body is composed of the head, trunk, upper extremity (arm) and the lower (legs) ends. Among its main chemical elements, there are noted (63%) hydrogen and oxygen (25%).
It is possible to distinguish several levels tiered in the human body. There is place to mention the molecules which make up cells. They form fabrics, which, in turn, give rise to organs. The bodies are organized under systems (such as the Central nervous system among others).
Many science interested in the study of the human body. Physiology studying the functions, anatomy is charged macroscopic structures and Anthropometry measurements and proportions of the body.
It is worth mentioning that the word body can be used as a synonym for corpse, that is, a human being died.
In another context, the concept of body appears in the military to refer to the unit of the army integrated by several divisions which act together and under a same command.
The corps of the army are generally formed by between 20,000 and 50,000 soldiers. The Eurocorps (also called European Corps), which is the service of the European Union and NATO, is one of the most famous army corps.