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The Kidneys

1. The kidneys are paired organs located retroperitoneally in the lumbar area.

2.  Beneath the cortex, the outermost layer, lies an area that contains between 8 and 18 sections known as _____.

Medulla
Pyramids
Calices
Nephrons
Capsules

3. The task of filtering the blood is performed by millions of _____.

Medulla
Pyramids
Calices
Nephrons
Capsules

4. The _____ sits in a cuplike structure called Bowman’s capsule.

Medulla
Glomerulus
Henle’s loop
Calices
Cortex

5. The _____ twists and turns until it drains into a collecting tubule that carries urine toward the renal pelvis.

Henle’s loop
Renal tubule
Calyx tubule
Nephronic tubule
Ureter


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