How Is Blood Sugar Regulated By Negative Feedback

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Negative Feedback Definition

Negative feedback is a type of regulation in biological systems in which the end product of a process in turn reduces the stimulus of that same process. Feedback, in general, is a regulatory mechanism present in many biological reactions. By allowing certain pathways to be turned off and on, the body can control various aspects of its internal environment. This is similar to flipping a switch. Feedback allows the product of a pathway to control the switch. Sometimes referred to as a “negative feedback loop”, negative feedback occurs when the product of a pathway turns the biochemical pathway off. Positive feedback, the opposite of negative feedback, is found in other biological pathways in which the product increases the pathway. Below are examples of negative feedback. Examples of Negative Feedback Regulating Blood Sugar Every time you eat, a negative feedback mechanism controls the level of sugar in your blood. The main sugar found in your blood is glucose. After you eat something, your body absorbs the glucose from your bloodstream and deposits it into your blood. This increases the concentration of glucose and stimulates you pancreas to release a chemical called insulin. In Continue reading >>

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  1. Sheila

    kinda in a rush, so i cant describe it, but the menstrual cycle is an example of a positive feed back cycle. If you need negative ones there are a bunch in digestion. Enzymes are very complex and have bonding sites that will only fit with certain molecules. Hormones are often specific to enzymes, enabling or disabling them. Sorry I cant be of more help hopefully this jogs someone's memory and they can be more descriptive.

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