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What is Homeostasis Essay Get custom essay sample written according to your requirements. urgent 3h delivery guaranteed. Homeostasis is best essay writing service canada reddit very important biological best essay writing service canada reddit that occurs in all endotherms but not ectotherms. Endotherms have the ability to adjust their body temperature: they are not dependent on the surrounding temperature of the environment. Examples of endotherms are mammals: humans. Homeostasis works by best essay writing service canada reddit a process called negative feedback which works by adjusting a condition in the body so that the internal environment stays, on average, the same. It works using nerves. A receptor detects the change in the surrounding environment and sends nerve impulses to the centres in the brain, such as the medulla, which sends nerve impulses to glands or muscles to bring about an effect which will lower or increase a condition in the internal environment to keep it within certain limits. Homeostasis is used to control body temperature, blood glucose concentration an essay that uses the words first next and finally indicates what type of organization a cause and the water content of the blood. The body temperature in endotherms is controlled by dilation and contraction of arterioles, sweat and contraction of the erector pili muscles. This is custom essay writing jobs thermoregulation. When the temperature of the surrounding environment increases the internal environment must be decreased. To do this the arterioles dilate (vasodilation) so that more blood flows through the capillaries next to the essay on help everybody best essay writing service canada reddit. 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