Excretion of waste

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• Excretion of waste

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Garbage Cleaners

• job of the excretory system is to remove various
  waste produced by the body
• The liver acts as a filter for the blood. It
  cleans out toxic waste and acid in the blood
• The skin plays a major role in excretion. It
  helps the body get rid of excess water, salts,
  and waste (urea)
• CO2 water vapor removed from lungs

Kidney urinary system