The Excretory System

By: Madison Pegues & Lynnsey Poag

Excretory System Function:

Gets rid of the body's wastes,as does the urinary system. The skin, lungs, and Digestive System also remove wastes from the body.

[from textbook]

Levels of Organization


  1. The kidney, the main excretory organ, maintains homeostasis by maintaining the water balance of our bodies.
  2. If the homeostasis is off balance the kidneys can slowly fail.
  3. Bladder infection, kidney stones, & urethritis are some infections