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Osmoregulation Data Analysis Alyssa Comberbach 11/09/04 Aim By looking at the table of data given to us, we were asked to analyze the data and show the kidneys role in osmoregulation. Data Analysis Using the data presented to us in table 1, it is possible to see how the kidneys play a role in osmoregulation, the control of the levels of water and mineral salts in the blood. Table 1, Quantities of water and solutes in blood plasma compared with quantities present in glomerular filtrate and urine during a 24 hour period. CHEMICAL QUANTITY IN 180 LITRES OF BLOOD PLASMA QUANTITY IN GLOMERULAR FILTRATE PER DAY QUANTITY REABSORBED PER DAY QUANTITY IN URINE PER DAY Water (liters) 180 180 178-179 1-2 Solutes (grams) Proteins 7000-9000 10-12 10-12 0 Sodium (Na+) 540 540 537 3 Chloride (Cl-) 630 630 625 5 Hydrogen carbonate 300 300 299.7 0.3 Glucose 180 180 180 0 Urea 53 53 28 25 Potassium 28 28 24 4 Uric acid 8.5 8.5 7.7 0.8 Creatinine 1.4 1.4 0 0 By looking at this table one can obtain a variety of information. It is obvious that the kidneys filter certain substances out of our blood plasma in order for them to be excreted; however some substances are reabsorbed back into the blood...

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