An organ donation card such as the one shown here is

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An organ donation card such as the one shown here is often carried with the person’s driver’s license.
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KIDNEY FAILURE Kidney failure can be acute, meaning sudden onset, or chronic, in which case the kidneys progressively lose their ability to func- tion. Treatment includes reducing symptoms and slowing the pro- gression of the disease. If kidney damage is extensive, dialysis or a kidney transplant may be required. (HEE-moh-dy-AL-uh-suhs) is a technique in which an artificial kidney machine removes waste products from the blood. A needle connected to plastic tubing passes blood from the patient to a machine that filters the blood and returns it in much the same manner that a healthy kidney would. Peritoneal dialysis uses the peritoneum, a thin membrane that surrounds the digestive organs, to filter the blood. A catheter, a tube that provides a passageway for fluids, is inserted into the abdominal cavity to remove toxins. Kidney transplant is a third treatment option for chronic kidney failure. This involves the replacement of a nonfunctional kidney with a healthy kidney from a donor. Hemodialysis Reviewing Facts and Vocabulary 1. Describe the main function of the urinary system. 2. What is a ureter and what is a urethra ? 3. Examine the effects of three health behaviors on the urinary system, and explain how these behaviors help reduce the risk of developing a urinary system disorder. Thinking Critically 4. Analyzing. Explain why coffee, tea, and cola drinks should not be counted as part of your daily recommended eight glasses of water. 5. Applying. Relate the importance of early detec- tion and warning signs that prompt individuals of all ages to seek health care for urinary system problems. What might a change in the appearance of one’s urine indicate? I N T E R N E T R E S O U R C E S Find more information about kidney transplants by visiting health.glencoe.com. Lesson 3 The Urinary System 457 Kidney failure is treated by using medical tech- nology to filter the blood artificially. What options might a person with kidney failure have besides dialysis? Applying Health Skills Accessing Information. Research and discuss the health-related social issues of organ donation and kidney transplants. How are donors matched with potential recipients? What type of follow-up care is needed? Share with your classmates what you learned about organ donation and transplants. health.glencoe.com
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H E A L T H You know drinking lots of water is good for you— but what other fluids will help you stay healthy? Consider these options. About Drinks with Caffeine Imagine that you’re the coach of your school soccer team. The team members ask if they can each have a caffeinated cola drink at half time. What three reasons can you give them for saying they should drink water instead? ( Hint: Research the effects of caffeine on the body and dehydration.) Think Drink Sports Drinks PROS: Most contain ideal levels of elec- trolytes, which reduce the chances you will cramp during workouts that last for more than an hour. Their simple sugars are easily converted to
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