Essay On Homeostatic System

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Recommended: Conclusion for understanding the importance of homeostasis

Human blood glucose regulation system The purpose of homeostasis Homeostasis is the maintenance of a stable internal environment despite fluctuations in the external environment. The purpose of the homeostatic system is to keep blood glucose in humans constant. This is significantly important because several important tissues in the body can only really use glucose, so these tissues have a need for constant supply of glucose to function properly like the brain. For example when blood glucose gets above 20mm then it can’t be reabsorbed so the glucose is lost so it’s better to keep blood glucose low to avoid this loss. Therefore since we need glucose all the time we store glucose mainly in our livers. This is so the important tissues in the body can keep getting a constant supply of blood glucose. The components of homeostasis There are three main components of homeostasis a receptor to detect a change, a control center, and an effector to direct an appropriate response. The receptors in the human body are the alpha and beta cells, the control center is the pancreas and the effectors are the liver muscles and fat cells. These components do specific jobs that allow regulation of the internal environment. These components interact and send signals to each other for example negative feedback …show more content…

The full name for this is “diabetes mellitus.” Diabetes is when blood glucose levels rise above 20mM, the kidneys can’t retain it all and so glucose starts to spill over into the urine. This is bad because once this causes glucose levels in the urine to rise it creates an osmotic imbalance. So extra water starts to flow from the blood into the urine to compensate, that’s why there is excessive urine volume. As a result the water levels in the blood fall which stimulates a need to replace the water, therefore thirst. Excessive thirst (polydipsia) is a consequence. Which is also another symptom of

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