1. Urinary System

2. Comparing Excretion of Different Organisms http://www.youtube.com/watch?v=iG6Dd3CO ug4 http://www.youtube.com/watch?v=iG6Dd3CO ug4

3. Comparing Excretion of Different Organisms

4. ComponentsComponents

5. Kidney

6. Nephron

7. Function of Nephron

8. Filtration Blood enters nephron through afferent arteriole High blood pressure allows solutes in blood to pass through glomerulus and into Bowman’s capsule SoluteGlomerulusBowman’s capsule WaterYY NaClYY GlucoseYY Amino acidsYY H+ ionsYY Plasma proteinsYN ErythrocytesYN PlateletsYN

9. Reabsorption Active transport Passive transport

10. Secretion

11. Adaptations

12. Unique Feature Conservation of water is sufficient that the animal does not need to drink water – Obtains enough water as a product of respiration Kangaroo Rat

14. Effects of ADH

15. Regulating Blood Pressure

16. Effects of Renin (enzyme)

17. Kidney Stones

18. Diabetes Mellitus

19. Diabetes Insipidus

20. Nephritis (Bright’s Disease) Inflammation of the kidney

21. Quick Review

22. Review Questions Pg.348 #1-4 Pg.352 #1-6