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the same reason blue is blue and Martha Stewart is Martha Stewart
(We don't know why we just name things)
Another answer: According to the Online Etymology Dictionary the word 'kidney' is of unknown origin, originally 'kidenere', perhaps a compound of Old English 'cwid' (womb) plus 'ey' (egg), in reference to it's shape.
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∙ 13y ago
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What are the tubes called inside the kidneys?
The tubes from the kidneys to the bladder are called ureters.
Why are kidneys called kidneys?
The shape of your kidneys resemble the shape of the kidney bean.
Are the nitrogenous wastes gotten rid of through the organs called the kidneys?
kidneys
What are your blood filters called?
Kidneys
The kidneys contain microscopic chemical filtration factories called?
The microscopic chemical filtration factories in kidneys are called nephrons, which produce urine. The kidneys roughly contain about two million nephrons.
What are the complex filtering organs of the vertebrates called?
Complex filtering organs in the back of the body are kidneys.
What is the filtering factories in the kidneys?
It is called "Nephron".
What are filter sacs in the kidneys called?
Glomerulus
What are the tubes inside the kidneys the called?
neprons
What are changes in kidneys or lungs called?
Metabolic
What are the arteries and veins called that service the kidneys of a frog?
Renal arteries and veins service an animal's kidneys.
What helps protect the kidneys in pigs?
The medical name for the fatty tissue that surrounds and protects the kidneys in pigs is called suet. A pig's kidneys filter its blood.
