The Excretory System
By Maddie, Alex, Ethan and Bo
Excretion
Excretion is the process of eliminating or expelling waste matter
The kidneys
Filter the blood
removes waste
and gets rid of waste in urine
The lungs
the lungs remove carbondioxide from the body
The liver
The liver excretes bile pigments that result from the destruction of hemoglobin
Diseases
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
The nephron
The nephron works primarily in the kidneys
Sites
Google
factmonster.com
training.seer.cancer.gov
infomeplease.com