An example of a negative feedback loop are blood sugar levels that have to be regulated in order to keep the human body in homeostasis. Neurones in the hypothalamus in the brain detects glucose and increases or decreases insulin accordingly. Insulin is what changes glucose to glycogen.
This graph of blood sugar levels shows a negative feedback. The reversed u shape of the graph shows how with the intake of sugar and the output of insulin happens within the body to re achieve homeostasis.
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Yo u can see the negative feedback loop in this graph. The graph displays how Dr. Roods Blood sugar reacted after consuming a candy bar and a soda. You can tell by the upside down U shape of the graph that while the sugar first made it go up the change was then leveled by the insulin response. Through this process the body is able to reach homeostasis.
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