Their are principally 6 substances that the body has to control:
This control is achieved by the use of various organs and glands in the body.
The hypothalamus? monitors water-contents, carbon dioxide concentration and blood temperature, sending nerve impulses to the [pituitary gland]? and skin.
The pituitary gland makes ADH ([Anti-diuretic hormone]?) to control water content in the body.
The muscles can shiver to produce heat if body temperature is too low.
The pancreas? produces insulin to control blood-sugar concentration.
The lung?s take in oxygen and give out carbon dioxide.
The kidneys remove urea and adjust ion and water concentration.
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