You are presented with the question "What removes waste and toxic substances from the blood?" and the following answer choices: 
- Special disposal
 - Something coming from a gland
 - aqueous solution
 - Veins and arteries.
 - digestive system organs
 - that material's properties
 - Something that causes allergies
 - microorganisms

Now knowing that organs of excretion make up the excretory system and digestive system Excretory system removes waste and toxic substances from blood, choose the best answer.


 

     digestive system organs    