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September 20, 2017 Materials: ISN, pencil

September 20, 2017 Materials: ISN, pencil. Bell Ringer: Which organ is responsible for most of the chemical digestion in the human body? Mouth Stomach Small Intestine Large Intestine. EQ: What is the main function of the Excretory System?

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September 20, 2017 Materials: ISN, pencil

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  1. September 20, 2017Materials: ISN, pencil • Bell Ringer: Which organ is responsible for most of the chemical digestion in the human body? • Mouth • Stomach • Small Intestine • Large Intestine

  2. EQ: What is the main function of the Excretory System? • CO: We will take Cornell notes over the main function of the Excretory System. • CT: I will complete my summary main function of the Excretory System. • SG: I use active listening skills to foster better communication.

  3. Excretory System

  4. Excretory System • Why do our bodies need to filter waste from the body? • Maintain homeostasis • Removal of harmful materials • Removal of excess fluids, chemicals, minerals, vitamins, salts, and other wastes from the blood

  5. Organs of the Excretory System • Kidneys = filter blood that has collected wastes from cells

  6. Organs of the Excretory System • Kidneys = filter blood that has collected wastes from cells – Nephrons = filters inside the kidneys – Produce urine (sterile waste fluid, 96% water)

  7. Organs of the Excretory System • Ureters = tubes that lead from each kidney to bladder

  8. Organs of the Excretory System • Urinary bladder = muscular organ that holds urine

  9. Organs of the Excretory System • Urethra = tube that carries urine from the bladder out of the body

  10. Where is urine stored until the body is ready to eliminate it? • Kidneys • Ureters • Bladder • Urethra

  11. Functions of Excretory System • Rids blood of wastes (urea)

  12. Functions of Excretory System • Rids blood of wastes (urea) • Controls blood volume by removing extra water produced by cells

  13. Functions of Excretory System • Rids blood of wastes (urea) • Controls blood volume by removing extra water produced by cells • Balances salts and water so cells can function properly

  14. Which is not a function of the excretory system? • Removes wastes from the blood • Removes excess water from the blood • Removes carbon dioxide from the blood • Removes excess salt from the blood

  15. Other Excretory Organs • Skin = releases perspiration (water and salts) to cool off the body

  16. Other Excretory Organs • Lungs = release carbon dioxide from the body

  17. Which system does not include an excretory organ? • Excretory system • Integumentary system • Cardiovascular system • Respiratory system

  18. Videos • https://www.youtube.com/watch?v=2_7Q1xQ-NWU

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