Effects of Salt Water On Osmoregulation

Effects of Salt and Water on Osmoregulation

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Results

All students were required to evacuate their pissing at the start of the lab to use for the era aught data. The students selected to be in the NaCl theme ingested a trey gram NaCl tablet along with 500 mL of irrigate. The rest students who were in the water multitude ingested 500 mL of water at this time. The quite a little, aim of pH, chloride concentration, and specific gravity of each pissing sample was measured every cardinal minutes, for a totality of 120 minutes.

The results of the NaCl base compared to the water group showed significant unlikenesss when compared. The average urine volume for each group was largest at time zero; with the water groups mean volume at 101.3 mL and the NaCl groups mean volume at 129.3 mL (Figure 1).



At the 60 minute interval the largest volume difference can be seen between each group (Figure 1). As the experiment proceeded after time zero, the students who ingested the NaCl tablet produced less urine than the water group students for each remaining time interval. The nett mean volume for the water group was 33.3 mL and the NaCl group was 24.1 mL (Figure 1).

The average pH level for the water group remained constant at 6.1 from time intervals zero through ninety, and dropped to 5.9 at 120 minutes (Figure 2). For the students who ingested NaCl, there initial pH level was at 6.4 for time zero, 6.2 for time thirty and sixty, 6.3 at ninety minutes, and finally dropping to 6.2 at the cardinal hour mark (Figure 2). Each groups pH values dropped 0.2 from the initial reading to the final reading. The NaCl group consistently provided a...

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