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Excretory system.notebook
1
March 03, 2015
Mar 312:12 PM
The Excretory System
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Kidney/bladder stones
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• Excrete: to get rid of waste
• CO2 is breathed out through the lungs
• Ammonia is very toxic and tough to get rid of
• When proteins are broken down, ammonia is left over
• The liver converts ammonia to urea in a process called the urea cycle
• Where does urea go?
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Mystery fluid!
• 0.9 g/L of sodium
• 0.2 g/L of potassium
• 0.015 g/L of calcium
• 0.0013 g/L of magnesium
• 0.84 g/L of sodium
• 0.22 g/L of potassium
• 64 g/L of sugar
Excretory system.notebook
2
March 03, 2015
Mar 312:12 PM
Mystery fluid!
• 0.84 g/L of sodium
• 0.22 g/L of potassium
• 64 g/L of sugar
Mar 312:12 PM
Mystery fluid!
Mar 312:12 PM Mar 312:12 PM
Mar 312:13 PM
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