1. Leaving Certificate Biology Excretion 2 EQ iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. What is excretion? Generation of waste Producing urine Sweating Removal of waste

3. Name an organ other than the kidney that excretes water. LungsAlimentary canal NoseLarge intestine

4. Explain the term glomerular filtrate. Blood in kidneys Blood in Bowman’s capsule Blood – small molecules Plasma

5. What part of the kidney does reabsorption occur? Bowman’s CapsuleNephron Only in medullaOnly in cortex

6. Why are red blood cells normally absent from glomerular filtrate? Because they have no nucleus They are too small Because they have haemoglobin They are too large

7. To what structure does the ureter link the kidney? The renal arteryThe renal vein The bladder The convoluted tubules

8. Suggest a treatment for a person whose kidneys are not functioning. Drink waterDialysis Eat proteinDecrease fluids

9. Where is urea formed? LiverPancreas KidneyBladder

10. Removal of waste products is called … EgestionExcretion SweatingMetabolism

11. Name an excretory product normally present in the urine. GlucoseProtein UreaAmino acids

12. In what part of the kidney does filtration take place? Loop of HenleAfferent arteriole Collecting ductGlomerulus

13. In what part of the kidney is Bowman’s Capsule located? PelvisMedulla CortexCentre

14. Where does reabsorption of salt mainly take place? Bowman’s capsuleConvoluted tubule Collecting ductLoop of Henle

15. Name the fluid present in the ureter. UreaUrine FiltrateWater

16. From what substance is excreted carbon dioxide derived? OxygenProtein UreaGlucose

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