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CP Biology A - Osmosis and Organ Preservation

CP Biology A - Osmosis and Organ Preservation - results in...

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Mehmet Bayram Mrs. Maggio 11/5/05 Osmosis and Diffusion in Organ  Preservation Today, people preserve organs to help other people if they have  injured or infected organs. Organs solutions help keep the organs useable,  hearts or lungs from 4-6 hours, livers from 12- 16 hours and kidneys are 24  hours. Today the name of the solution they use to preserved organs is  Histidine-Tryptophan-Ketoglutarate. HTK has many advantages than other  solutions such as low potassium levels, superior recovery of function of the  organ, and low sodium concentration.  When they preserve the organs they are kept very cold. Osmosis 
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Unformatted text preview: results in the dehydration of cells, leaving freeze dried tissue, not frozen tissue with water still in it. Without the solution to help keep the organ workable, the organ will not last very long and will not be useable. There is a shortage of many organs in the world. When kidneys fail they use a process called dialysis to clean the kidney. During dialysis, body wastes like creatinine, a substance found in blood and urine, pass from the blood into the dialysis fluid. It also lets useful substances like bicarbonate and calcium pass from the dialysis fluid into the blood....
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