1. Read/ Complete Assignments

2. Warm Up  Read the Article on E. coli  Answer the questions on the back in complete sentences in your notebook.  You have 15 Minutes Only!!

3. Excretory System ~The excretory system is the body system that separates and gives off the waste from the body, usually as urine or sweat.

4. Function of the Excretory System ~Regulate body fluids  Volume, pH, composition ~Remove metabolic wastes from blood ~Control rate of RBC formation ~Regulate blood pressure ~Regulate absorption of calcium

5. Excretory System  Kidneys  Ureter  Urethra  Urinary bladder  Liver  Skin  Lungs

6. The Kidneys  The main organ in the system  It keeps the saltwater balanced in the body  Is actually a mass of tiny tubes  Each tube is a knot of capillaries

7. Ureter, Urethra, and Urinary Bladder Ureter  carries the urine away from the kidneys to the urinary bladder Urethra  the tube that carries the urine from the bladder to outside the body Bladder  Storage area for urine until released outside the body

8. Skin and Lungs ~ The skin excretes extra salts, water, and heat ~ Usually as sweat ~ The lungs excrete the carbon dioxide from the body

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

10. Reading Comprehension  Read selection on Excretory System  Answer in complete sentences in SIN

11. Video  Students may watch video if all a work has been completed and time permits.  http://app.discoveryed ucation.com/player/vie w/assetGuid/3BC87A31 -AE5A-441B-9C7B- 48877EE34573 http://app.discoveryed ucation.com/player/vie w/assetGuid/3BC87A31 -AE5A-441B-9C7B- 48877EE34573  No talking during Video!!  No Head Down on Desk or Sleeping