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B.Jones13 B.Jones13
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12 years ago
Please help with this worksheet. There is no word bank :\


The Urinary System

1. The functions of the urinary system include elimination of __________ such as ____________________ wastes, __________, and drugs.

2. Kidneys also regulate ____________________, including water and ____________________ balance, and blood acid-base balance, along with __________ pressure, __________ production, and activation of ____________________.

3. The organs of the urinary System include:
____________________ (right and left)
____________________ (right and left)
____________________
____________________

4. The ______________ _______________ sits on top of the kidney.

5. The ________kidney is lower than the _________kidney.

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 ____________________ ____________________ __________, which reabsorbs most materials; the __________ of __________ , which reabsorbs water and salt, making the urine more dilute; and the __________ ____________ __________, which accomplishes most acid-base and electrolyte balancing.

12. The ____________________ ____________________ accept the reabsorbed substances and return them to the general circulation.

13. The 3 urine formation processes are:
____________________, the formation of the fluid by the glomerulus;
____________________, the return of needed substances to the blood; and
____________________, the active removal of wastes from the blood (into the tubules).

14. The three nitrogenous wastes that are concentrated in the urine are:
____________________
____________________
____________________

15. The ____________________ drain urine from the kidney into the ____________________, where it is stored until it drains from the body through the ____________________, in an action called____________________, which requires relaxation of both the internal and external
____________________ ____________________.

16. The ____________ _______________ ______________ is smooth muscle, so it is under __________ control; the _______________ _____________ ______________ is skeletal muscle, so it is under _____________ control.

17. Body fluids are either ____________________ _____________( inside of cells), or
____________________ __________(outside of cells). The main two types of this second fluid are: ____________________ __________, which surrounds your cells, and __________ __________ in the circulation.

18. Changes in ____________________ balance causes water to move from one compartment to another.  To maintain water balance, a ____________________ urine is produced if water intake is excessive.  Regulation of water and electrolyte reabsorption is primarily by _______________ secreted by the endocrine system, such as ________________ _______________ and __________________.

19. _________________ is responsible for urine’s yellow color; it is a breakdown product of __________ destruction.

20. Composition of blood depends mainly on _________, cellular _____________, and ______________________.
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12 years ago
Did you ever get the answers Question Mark I need help myself  Neutral Face
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