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How Many Kidneys Does a Human Have

Size The National Kidney and Urological Diseases Information Clearinghouse (NKUDIC) describe the kidneys as "bean-shaped organs" located near the middle of the back just below the ...
http://www.ehow.co.uk/m/facts_5703820_size-human-k...
Heart Failure Chronic circulatory problems, including heart failure, may decrease the supply of blood to your kidneys and result in kidney failure. Dehydration Dehydration may caus...
http://www.ehow.co.uk/m/facts_4911167_what-causes-...
Identification The kidneys are small, vital organs, approximately 4 in. in length and 2½ in. in width, identified by their-bean-like shape. Both kidneys are located behind the abdo...
http://www.ehow.co.uk/m/about_5537455_do-humans-tw...
The average kidney in a human adult is approximately 4 to 6 inches in length, 2 to 3 inches wide and 1 inch thick. An adult kidney weighs about 5 ounces. Generally speaking, a huma...
http://www.answerbag.co.uk/q_view/1991578
Normal adult human kidneys weigh about 150 grams. Comprehensive-Kidney-Facts.com notes that they are generally between 4 to 5 inches long and 2 to 3 inches wide; they are similar i...
http://www.answerbag.co.uk/q_view/1869120
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How Many Kidneys Does a Human Have

A human being has two kidneys; one on the left and the other one on the right. Our bodies can function effectively with only one kidney. They are bean-shaped ...
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Many of the kidney's functions are accomplished by relatively simple mechanisms .... Generally, humans can live normally with just one kidney, as one has more ...
en.wikipedia.org
Born with two, they don't typically take the bad one out, so after a transplant you would have 3 and the donor would have 1.
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