Effects Of Salt Water On Osmoregulation

2078 words - 8 pages

Effects of Salt and Water on OsmoregulationResultsAll students were required to void their urine at the start of the lab to use for the time zero data. The students selected to be in the NaCl group ingested a three gram NaCl tablet along with 500 mL of water. The remaining students who were in the water group ingested 500 mL of water at this time. The volume, level of pH, chloride concentration, and specific gravity of each urine sample was measured every thirty minutes, for a total of 120 minutes.The results of the NaCl group compared to the water group showed significant differences when compared. The average urine volume for each group was largest at time zero; with the water group's mean volume at 101.3 mL and the NaCl group's 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 final 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 two 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 higher level of pH in their urine samples than the water group. (Figure 2)Another test performed on each urine sample was the chloride concentration. Both the water and the NaCl groups' chloride concentration values decreased until reaching the sixty minute interval where they began to increase. The readings for the water group's mean chloride concentration began at 192.4 mEq/L, dropped as low as 93.6 mEq/L at sixty minutes, and rose to 146.5 mEq/L at two hours (Figure 3). The NaCl group's mean chloride concentration began at 216.1 mEq/L, dropped as low as 183.1 mEq/L at sixty minutes, and rose to 241.0 mEq/L at two hours (Figure 3). The concentration levels for the NaCl group were consistently higher than the levels of the H20 group for each reading (Figure 3).The final test that was performed measured the specific gravity of each sample. The highest value for each group was recorded at time zero. The water group's mean specific gravity slightly decreased from 1.030 to 1.025 after thirty minutes, but decreased to a value of 0.999 at sixty minutes (Figure 4). It then increased to 1.016 for the final two readings (Figure 4). The NaCl group steadily lowered its average specific gravity for the first three trials, going from 1.031 to 1.025 after sixty minutes (Figure 4). It then rose at ninety minutes to 1.028 and decreased at two hours to 1.016 (Figure 4). The...

Find Another Essay On Effects of Salt Water On Osmoregulation

Salt Water Battery Experiment to Determine the Conductivity of Water When Salt Was Added to The Solution

791 words - 3 pages AbstractThe purpose of choosing the salt water battery as my experiment was to determine the conductivity of water when salt was added to the solution. During the experiment I determined that when salt was added to the water, the voltage decreases slower every time more salt was added. To get these results a jar was filled with bottled water and was attached with one zinc coated nail and a copper coated wire to a voltmeter to measure the voltage

Effect of road salt on the environment

1445 words - 6 pages material because it is:*the least expensive deicer*easy to spread*easy to store and handle*readily available*non-toxic*harmless to skin and clothingSalt pollution is broken into two main groups. Water, which includes the effects on ground water, surface water and aquatic life and land.Most of the salt applied to the roadways eventually ends up in the ground water. It is estimated that 30% to 50% of the salt used travels into the ground water. Salt

The Effects of Hexagonal Water on Neoscona crucifera Web Construction

1772 words - 7 pages Dr. Jhon’s research on hexagonal water, it has been determined that structured water is more powerful. The amount of energy (calories) that the hexagonal water can store is much greater than the amount of energy that unstructured water can store. Hexagonally structured water can benefit biological organisms and lead to healthier life.The orb weaver (Neoscona Crucifera) spider has a distinct pattern on its web that makes it ideal for

Investigating the Solubility of Table Salt in Distilled Water at Different Temperatures

3324 words - 13 pages Investigating the Solubility of Table Salt in Distilled Water at Different Temperatures The aim of this essay is to explain and discuss the drug cannabis and its effects in relation to biochemical, behavioural and psychological factors. The introduction will outline a brief history relating to the drug and include both the medicinal and recreational purposes of its use. The

Biofuels and Their Effects on Water Resources

2034 words - 8 pages Biofuels and Their Effects on Water Resources Due to desires to decrease greenhouse gas emissions, the increasing concerns of trade balances and geopolitics, as well as the growing rise of the price of crude oil, nations worldwide are taking bigger steps in establishing sustainable energy alternatives [1]. In order to meet more sustainable energy needs there has been an increase in the demand of biofuels. With this increase in demand comes the

Essay on Pillar of Salt by Sandra Postel

2359 words - 9 pages , water, is not meeting today's needs. There is simply more life on earth than out limited supply can sustain.Robert T. Malthus is well known for his essay, An Essay on the Principle of Population (1798), which illustrates his theory on overpopulation and the consumption of natural resources. His theory states that population grows at a faster rate that available resources do, and at the current rate of growth in population there will not be enough

The Effects on theThe Use of Water for the Production of Ethanol

1669 words - 7 pages the most valuable resource that exists on planet earth and yet, it is quickly slipping out of our reach. Water covers over seventy percent of earth’s surface, but only about three percent of that water is available for human use as freshwater. The main source of freshwater is permanent ice sheets, which makes up sixty-nine percent of global freshwater. The remaining supply of global freshwater is divided between groundwater and underwater

The Health Effects of Chlorinated Drinking Water

2247 words - 9 pages . . Given that my research thesis is that chlorinated water has some negative impacts on the human body. The first that is important for me to research and find out the health effects on humans of chlorinated water. Second point I focus on the health effect of using chlorine by product .third point is that risk

Causes and Effects of Water Pollution

624 words - 2 pages , utensils, six pack holders, cling wrap, fishing line, bait bags, and floats. The second highest cause of water pollution is ship waste. Ships used to take much garbage with them on their ships and dump them. This was very common until the government took action. They were giving sailors up to one million dollars fines for disposing waste. Because of that, ships now carry less garbage with them. Animals are not the only

The Use of Salt on Road Assignment: Write a research paper on using salt to help road conditions in the winter

520 words - 2 pages commonly used on roads during the winter, the ice actually helps to melt the ice and keep it in a liquid state.The freezing point of water, the temperature just cold enough to make it freeze into ice, is 0 degrees Celsius. Dissolving salt in water makes the water harder to freeze. To get salt water to freeze you have to make it colder than 0 degrees. So, salt lowers the freezing point of water. Many people also believe that adding salt to water will

The Effect of Different Strength of Salt Solutions on Potato Cells Through Osmosis

3013 words - 12 pages for the experiment. 2. I will take an average sized potato and using a cork borer I will cut 15 cylinders, equal in diameter. I will then cut them using a scalpel to 3cm in length on a square tile. This must be done very accurately as a change of surface area may affect the amount of osmosis which occurs. 3. I then prepared the salt solutions by adding varying amounts of distilled water to varying amounts of 1.0

Similar Essays

The Modeling Of Salt Water Intrusion

1515 words - 6 pages aquifers, hydraulic gradients encourage the flow of seawater toward the pumped well or wells. Salt water intrusion is a problem that affects coastal areas around the world. Groundwater Problems in Coastal Areas (Custodio, 1987) is an excellent reference for more information on global salt water intrusion problems, while Atkinson (1986) details salt water intrusion problems for the coastal areas of the United States. Why is it a Problem? The

Effects Of Nitrate On Water Quality

1006 words - 5 pages appalling. Water quality levels are decreasing, hurting us as well as the countless organisms depending on freshwater habitats to be safe homes. One of the main contaminants, nitrates, which spring from mainly manmade sources, are especially treacherous… Many people are unaware of the impact of nitrate ions in freshwater habitats. Nitrate presence is imperative for plant growth and development. This is because nitrogen is a key ingredient in the

Effects Of Road Salt To The Environment

1083 words - 5 pages swim in salty water they too shrivel up and die, similar to a slug covered in salt (Siegel). The salt running into bodies of water is disrupting the food chain and killing thousands of organisms every day. Sodium chloride is the effective ingredient in both table salt and road salt (Rastogi). The only difference is that road salt is unfiltered and unpurified. This means that they have equivalent effects on your body. Road salt runs into our water

The Effect Of The Salt Concentration Of Water On The Productivity Of Lupin Plants Over A Fortnight

916 words - 4 pages Aim: The effect of the salt concentration of water on the productivity of Lupin plants over a fortnight.Hypothesis: Lupin plants that are watered with more salt will be least productive because an increased salt concentration in the water increases the osmotic gradient, which makes it difficult for plants to absorb water needed for photosynthesis, therefore they will be less productive and will die faster than plants watered with water with a