Kidneys


In vertebrates, kidneys are the two major organs of excretion. Excess
water, toxic waste products of metabolism such as urea, uric acid, and inorganic
salts are disposed of by kidneys in the form of urine. Kidneys are also largely
responsible for maintaining the water balance of the body and the pH of the
blood. Kidneys play important roles in other bodily functions, such as
releasing the erythropoietin protein, and helping to control blood pressure.

Kidneys are paired, reddish-brown, bean-shaped structures. They are
about eleven centimeters long. Kidneys are located on each side of spine, just
above the waist. They are loosely held in place by a mass of fat and two layers
of fibrous tissue. It is believed that the kidney first evolved in the original
vertebrates where freshwater organisms needed some means of pumping water from
the body. The kidney became adept at reabsorbing glucose, salts, and other
materials which would have been lost if simply pumped out of......

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Title: Kidneys
Approximate Word Count: 540
Approximate Pages: 3 (250 words per double-spaced page)

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1. Kidneys
   

   Kidneys. Kidneys In vertebrates, kidneys are the two major organs of excretion. ...
   Kidneys are paired, reddish-brown, bean-shaped structures. ... ...

2. Kidneys
   

   Kidneys. Kidneys In vertebrates, kidneys are the two major organs of excretion. ...
   Kidneys are paired, reddish-brown, bean-shaped structures. ... ...

3. Kidneys & Affects Of Various Liquids
   

   Kidneys & affects of various liquids. Identify ... of. It also closes openings into
   the ureters so that urine cannot flow back into the kidneys. ... ...

4. Hemodialysis
   

   Hemodialysis. A person's body needs it's kidneys to filter blood, create hormones
   to make bones strong and blood healthy. When kidneys ... ...

5. Psychology And Health Problems 1
   

   ... High blood pressure causes the heart to work harder than it should and can damage
   the coronary arteries, the brain, the kidneys, and the eyes and is a major ... ...