Homeostasis means keeping a steady environment around the cell, therefore cells are provided essential products, but also removing wastes. These waste products includes carbon dioxide, urea, and salts. This is where the kidneys comes in, where they are specialised organs that removes the poisonous waste product, called the urea (which can denature enzymes), and regulate the water content of the blood cells, otherwise known as osmoregulation. (Ron Pickering, 2010) The kidneys also filters out the waste products, small filters called nephrons, which separates the blood and the waste. (Your Kidneys, n.d.) The kidneys are very special since they can work even if there is only one of them. If a kidney can only function by itself, the kidney itself will increase in size, and “it will compensate as those with two.” (What’s It Like to Live With One Kidney?, n.d.) Healthy kidneys are extremely important, otherwise our body may suffer from consequences such as high blood pressure, when the pressure within the arteries increases, diabetes, and worst case scenario would be kidney failure, when the kidneys fail to remove waste products. Loosing the kidney function will cause a build up of blood containing...
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...ism.Complete biology for Cambridge IGCSE (2nd ed., pp. 132 - 133). Oxford: Oxford University Press.
Pickering, R., & Pickering, R. (2010). 2.47 - Homeostasis: maintaining a steady state. Complete biology for Cambridge IGCSE (2nd ed., pp. 136 - 137). Oxford: Oxford University Press.
Understanding Donation. (n.d.). The Gift of a Lifetime: Religion and Organ Donation. Retrieved November 12, 2013, from http://www.organtransplants.org/understanding/religion/
Urinary System. (n.d.). BrainPOP. Retrieved November 4, 2013, from http://www.brainpop.com/health/bodysystems/urinarysystem/
What's It Like to Live With One Kidney?. (n.d.). - DaVita. Retrieved November 6, 2013, from http://www.davita.com/kidney-disease/overview/living-with-ckd/what's-it-like-to-live-with-one-kidney?/e/4899
home. (n.d.). MyKidney. Retrieved November 5, 2013, from http://www.mykidney.org/home.aspx
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