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CDC 1-2
Kidneys
Question | Answer |
---|---|
_____ is the concave or indented portion of the kidneys, where blood vessels, lymphatic vessels, nerves and the ureter connect to the kidney (fig. 3-8). These structures enter into a hollow chamber known as the renal sinus. | renal pelvis |
Within each kidney there are two main areas. The outer area is the ______. The primary purpose of the ______ is to protect the vital kidney functions that occur within the renal medulla. | renal cortex |
Each kidney contains approximately one million microscopic structures called _____. | nephrons |
Within each kidney there are two main areas. The outer area is the _____ and the inner portion is the _____. | renal cortex and renal medulla |
Extending from the renal pelvis of each kidney is a tubular structure known as the ______ adults, each _____ is approximately 10 inches long. The _____ are muscular organs that provide a passage for urine from the kidneys to the urinary bladder. | ureter |
The _____ is the final passageway urine passes through. In adult males, the urethra is approximately 6 inches long; in females, it is approximately 1½ inches long | urethra |
The urethra leads to the exterior of the body through an opening called the ______. | urinary meatus. |
In both the male and female, there are two sphincter muscles in the urethra. The ______ is an involuntary muscle located at the base of the bladder. | internal sphincter |
In both the male and female, there are two sphincter muscles in the urethra.The ______ is under voluntary control. | external sphincter |
The ______ within each kidney filter the blood to remove metabolic waste products and to regulate water and electrolyte concentrations within the body fluids. | nephrons |
As the blood enters the glomerulus, it is filtered by the _____ there | capillaries |