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  • Essay / Feedback Loops Essay - 1830

    Two of these 14 main components of homeostasis are feedback loops. Feedback loops are systems of loops that allow the body to respond to a disruption in the delicate balance of its major processes and hormones, or otherwise known as disruption, and to the body's ability to respond in the same way. direction or in a different direction, called positive and negative feedback loops respectively. Positive and negative feedback loops are an essential part of the homeostasis process because they are the actual part of creating and maintaining balance within our body. Positive feedback loops are feedback by which the body responds to the specific disturbance that affects in the same direction as the disturbance. This type of feedback loop has a sporadic result compared to its counterpart because it goes in the same direction as the disturbance. In doing so, it amplifies the changes, thereby moving the system away from a state of equilibrium. A real-world example of this (also seen in Appendix 1) is that of Toxicodendron radicans, or more commonly known as poison ivy. In this example, you develop a rash following contact with poison ivy. It itches and so, against your better judgment, you scratch it. Then the itching starts to increase and you scratch more, causing the rash to grow exponentially in other places where it has never scratched before. This illustrates positive feedback loops by showing that by scratching the rash you have affected it in the same direction as the disturbance, leading to an amplified change in the original disturbance and ultimately left any chance of a state of equilibrium in the immediate future. to positive feedback loops, negative feedback loops are feedbacks by which the middle of paper ......ation in the body; the lower the concentration, the greater the amount of ADH and the higher the concentration, the less amount of ADH is released. Another way to maintain homeostasis throughout the body is through calcium levels and is done through the processes of osteoclasts and osteoblasts. The hormones involved in this process are parathyroid hormone (PTH) and calcitonin. The organs involved are the parathyroid gland, thyroid gland, kidneys and small intestine. When there is insufficient calcium excreted by the kidneys into the bloodstream, the parathyroid gland secretes PTH to stimulate the kidneys to start osteoclasts so that the kidneys inhibit calcium secretion from the kidneys and allow the intestine to hail to increase absorption. of calcium. The opposite occurs when there is an excess of calcium levels in the blood..