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Dr. Richard Lifton, along with student volunteers, uses an aquarium and salt to illustrate the amount of work the kidney performs each day to maintain proper levels of ions in the body. Also featured on the DVD Hearts and Hypertension: Blazing Genetic Trails, available free from HHMI

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Channels: Medical

Tags: Kidney urine filtration osmoticbalance homeostasis

Upload by: siere on 02-08-2007.

Duration: 4m 30s

Dnatube: Sciencific and Medical video site.