Excretory systemExcretory system

By: Miguel, Coralyn, Luis, and By: Miguel, Coralyn, Luis, and AaronAaron

What does it do?What does it do?

• It removes waste from the bodyIt removes waste from the body

• Conserves waterConserves water

• Reduction of osmotic stress and Reduction of osmotic stress and osmoregulationosmoregulation

• Regulates blood volume Regulates blood volume concentrationconcentration

LiverLiver

• The liver turns poisonous substances The liver turns poisonous substances into bile which breaks down fats into into bile which breaks down fats into useable fats and wasteuseable fats and waste

• Turns ammonia into ureaTurns ammonia into urea

Kidneys & BladderKidneys & Bladder

• Removes ureaRemoves urea• Clean bloodClean blood• Makes urineMakes urine• Helps control blood pressure and Helps control blood pressure and

make red blood cellsmake red blood cells• Helps keep your bones healthyHelps keep your bones healthy• The kidney sends waste to the The kidney sends waste to the

bladder until it needs to be releasedbladder until it needs to be released

Large IntestineLarge Intestine

• Removes solid wasteRemoves solid waste

• Collects water that can be reused Collects water that can be reused

SkinSkin

• Controls temperature using Eccrine Controls temperature using Eccrine glands that secrete mostly water and glands that secrete mostly water and salt. salt.

• Releases pheromonesReleases pheromones

Diseases Diseases

• Bladder Cancer-Bladder cancer is the Bladder Cancer-Bladder cancer is the rapid, uncontrolled growth of abnormal rapid, uncontrolled growth of abnormal cells in the bladder.  cells in the bladder. 

• Kidney stones-Build up of unneeded Kidney stones-Build up of unneeded material in the kidneysmaterial in the kidneys

• Urethritis-Urethritis is inflammation of Urethritis-Urethritis is inflammation of the urethra. the urethra.

• Nephritis-inflammation of the nephrons in Nephritis-inflammation of the nephrons in the kidneys. the kidneys.