Amicroscopicworkingunitofthekidneyiscalleda(n)_____。
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Pyelitis is inflammation of the renal pelvis
A. 对
B. 错
The outer portion of the kidney is the medulla
A. 对
B. 错
The tube that carries urine out of the body is the ureter
A. 对
B. 错
EPO stimulates the production of red blood cells
A. 对
B. 错
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