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Nephrons basically assist the kidneys with some of its functions. Its main function is to regulate the concentration of water and sodium salts. It does this by filtering the blood.
The chief function of nephrons is to regulate the concentration of water and soluble substances (electrolytes) by filtering the blood, reabsorbing what is needed and excreting the rest as urine.
If human blood is put in salt water, the water molecules in the human blood will lead to the lower concentration of water molecules. This process is called diffusion- water molecules going from high concentration to low concentration.
the kidney's most directly regulate the concentration of water in blood.
Other examples of hoemeostasis include:=blood sugar (glucoregulation)==and==osmoregulation; the control of water concentration in blood and body fluids. (http://www.bbc.co.uk/scotland/education/bitesize/higher/biology/control_regulation/negative_feedback1_rev.shtml)=
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No. Rather, the CO2 concentration controls the pH. Other factors control concentration, such as temperature, pressure, contamination, and availability of CO2.
This is the movement of water particles from an are of high concentration to an area of low concentration through a partially permeable membrane.
Nephrons have the same function in all kidneys. They allow the excretion of water, sodium and urea to form urine. They serve the function of removing waste chemicals such as metabolites and drugs from the body. Excretion of sodium and water is also important in the nephron as it allows the kidney to control blood pressure and blood volume.
The concentration of sodium in the blood plasma depends on two things: the total amount of sodium and water in arteries, veins, and capillaries
by blood circulation
distlled water