The Urinary System

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6. A layer of fat, the ____________________ ____________________, cushions, protects, and supports each kidney.

7. The regions of the kidney include the
____________________-outer region
____________________-inside the cortex
____________________-inner collecting tube

8. Kidney structures include the
____________________- triangular regions of tissue in the medulla
____________________- extensions of cortex-like material inward
____________________ - cup shaped structures that funnel urine towards the renal pelvis

9. Blood flow in the kidneys starts in the ____________________ artery to the entire kidney. Blood flow to each nephron is through the ________________ _____________ ; the ball of capillaries in the nephron is the ____________________, and the ____________________ arteriole drains the nephron. The ____________________ __________ drains blood from the kidney.

10. The structural and functional units of the kidneys are the ____________________. The main parts are the blood-carrying ____________________ and the long, coiled __________ __________.

11. The parts of the ________________ ______________ are: the balloon-like ______________ __________, which captures filtrate from the glomerulus; the ____________________