Excretory system By Lucy Giles Information about the

Excretory system By Lucy Giles

Information about the Excretory system • Excretion - Excretion is the removal of the metabolic (biochemical ) wastes of an organism. Wastes that are removed include carbon dioxide, water, salt, urea and uric acid. All excreted wastes travel at some time in the blood. The organs that are in the Excretion system are. . . • Lungs - removal of excess carbon dioxide. • Liver - produces urea and uric acid as a by-product of the breakdown of proteins. • Skin - removal of excess water, salt. • Urinary System - kidneys filter the blood to form urine, which is excess water, salt, urea(A water-soluble compound) and uric acid.

The Excretory system The excretory system is the body’s system that separates and gives off the waste from the body.

The Jobs the organs in the excretory system have. . .

The kidneys They keep the saltwater balanced in the body.

Ureter, Urethra, and Urinary Bladder Ureter carries the urine away from the kidneys to the urinary bladder and The urethra is the tube that carries the urine from the bladder to outside the body Kidneys Ureter Urethra

Skin and Lungs The skin removes extra salts, water, and heat(usually as sweat) The lungs remove the carbon dioxide from the body.

Liver The liver which changes the ammonia, a poisonous product of protein digestion into urine.

The End Where I got my information from. . . http: //en. wikipedia. org/wiki/Excretory_system http: //www. emc. maricopa. edu/faculty/farabee/biobk/biobookexcret. html (all pictures from Google images)