1. Have you ever wondered why your body has to urinate? Where does that fluid come from? Why is it yellow? You'll learn the answers to these and more questions as you read our information about the excretory system.

2. Kidneys??? Too much water…OUT!!(pee)

3. Cells produce water and carbon dioxide as by-products of metabolic breakdown of sugars, fats, and proteins Excretory systems regulate the chemical composition of body fluids by removing metabolic wastes. Excretory systems It job is to make sure that it keeps the saltwater balance in our body. This includes the kidneys, liver, lungs, and skin. A hormone that is important in the balancing of water is ADH.

5. Parts of the Excretory System the kidneys: they contain filters that take the waste out of the blood. the nephrons: remove the waste materials from blood and make urine the ureters: tubes that carry the urine to the bladder the bladder: a 'bag' that collects the urine the urethra: a tube that carries the urine out of the body

6. Excretory system

7. Renal artery Carries blood to the kidneys There are two kidneys which contain nephrons Inside the nephrons filtration and selective reabsorption takes place

8. Bowman's capsule- Surrounds the glomerous. Glomerulus- Ascending and Descending Tubes. Loop of Henle. Collecting duct. Pelvis

9. Excretory Diseases Kidney Stones Gout Cirrhosis of the liver

11. Other Parts of the excretory system

12. The skin excretes extra salts, water, and heat usually as sweat. The lungs excrete the carbon dioxide from the body Skin and lungs are part of the Excretory System as well…..

13. Renal artery Nephron uriter Urinary bladder Urethra

15. http://kidshealth.org/misc/movie/bodybasics/ Kurinary_kidneys.html