The above image is just an animated gif file. Click the above button or this link to launch this interactive activity.
| The model below shows an area holding blood, as well as some molecules which exist in blood plasma, and an area where urine is collected. These two areas are separated by a semipermeable membrane similar to the membrane and separation that occurs in your kidneys. |
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The above image is just an animated gif file. Click the above button or this link to launch this interactive activity. |
| System requirements: You must have Java Version 5 or higher in order to run this program. Please go to java.com to get the latest Java software, if you are not sure. |
| Failed? Check out the FAQ for troubleshooting. |