The Excretory System

By Maddie, Alex, Ethan and Bo

The Excretory System

The primary function is to eliminate waste from the body.


Excretion is the process of eliminating or expelling waste matter


Kidney stones are a smaller sized deposits of calcium and can be seen in nephrons

Other systems that interact

The Circulatory system, Endocrine system and Respiratory system are the 3 systems that interact with excretory

The Kidneys

The kidneys filters the blood, removes waste and unwanted substances from the urine.

Filtration and reabsorption

Filtration Has passive transport which is triggered through the push of blood flow and pressure

Reabsorption has active transport and takes useful substances and puts them back in the blood filled capillaries

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The nephron

The nephron works primarily in the kidneys