Kidneys

 

Main Menu

Restart

Credits

Back to tutorial

 

What about compounds that are too big to reabsorb, and cells in the body fluid?

To keep these from leaking out in the urine, the kidney tubule has a filter on its inner end. Proteins and blood cells can't pass the filter, so they aren't lost in the urine.

Forward

 

 
Choose the 'Forward' link to go on