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15.7.1 Excretory System Webquest
Please visit the following websites and answer the questions.
The excretory system is the group of organs that get rid of cell wastes.
Kidneys are the most important organs in this system. Kidneys are about the size of your fist. Blood with cell wastes goes into your kidneys through arteries. On the inside of your kidneys the blood flows through small blood vessels until it reaches the capillaries. Wastes from blood goes through thin walls in a capillary into very little tubes. The tubes take away some salts, nitrogen wastes, and extra water from the blood. Your kidneys clean all of your blood forty times a day. The wastes form a liquid called urine.
The kidneys are like a very complicated machine.
To work properly your kidneys need plenty of water. TRUE or FALSE
What is the reason why people feel soreness in their lower backs?
Some people with kidney problems may have pain in the back or side related to the affected kidney. Polycystic kidney disease, which causes large, fluid-filled cysts on the kidneys and sometimes the liver, can cause pain.
What does someone have to do if their kidneys STOP WORKING?
If your kidneys stop working completely, then you will either need dialysis or a transplant.
click on Animated learning module about dialysis
1. What is dialysis?
Dialysis is the artificial process of getting rid of waste (diffusion) and unwanted water (ultrafiltration) from the blood.
2. What are some benefits of dialysis?
One advantage of hemodialysis is minimal participation. An advantage of peritoneal dialysis is that you can have your own schedule, and you can do it at home. Both types help to improve kidney function.
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