Fact 1: Organs of excretion make up the excretory system.

Fact 2: All organisms excrete wastes.

Given the two facts above, answer the question "Organs of waste do what to the waste system?" with the following options: 
- harm them
 - stink up
 - make up
 - recovery
 - recycling
 - eat up
 - poop up
 - store


 

   make up      