★ Must-know
The kidney has three regions: the renal cortex, which contains renal columns; the renal medulla, which contains renal pyramids; and the renal pelvis, which collects urine and funnels it into the ureter.
The kidneys:
Further detail
1. Which set correctly describes the organs of the urinary system?
2. Which kidney region collects urine and funnels it into the ureter?
3. A patient has impaired kidney function; which group of functions could be affected?
What organs make up the urinary system?
Two kidneys, two ureters, one urinary bladder, and one urethra.
What are the kidney’s three regions?
The renal cortex, renal medulla, and renal pelvis.
What structures does the renal cortex contain?
Renal columns.
What structures does the renal medulla contain?
Renal pyramids.
How does the renal pelvis direct collected urine?
It funnels urine into the ureter.
What functions do the kidneys perform?
They regulate blood volume, electrolytes, acid-base balance, blood pressure, and red blood cell production, and excrete nitrogenous waste.
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