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Homeostasis is a process that describes the maintenance of an internal system, such as inside the human body. This process is controlled by positive and negative feedback loops, which initiate a series of responses to stimuli. A good example of positive feedback would be the increased production of red blood cells when an injury or an opening is detected to one of the bodys blood vessels. This increased red blood cell production is vital to clotting, which seals the opening in the blood vessel. This stops the loss of blood and also seals the opening from the outside world, which would open the body to infection. A good example of a negative feedback would be the regulation of body temperature. The hypothalamus gland is capable of even slight changes in body temperature. If the temperature is too high, the sweat glands are instructed to produce sweat, which helps cool the body off. If the temperature is too low, instructions are sent to specific muscles to iniate shivering, which helps raise body temperature.
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