Excretory System Quiz Grade 8, Semester 2 Year 2011-2012.

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Presentation transcript:

Excretory System Quiz Grade 8, Semester 2 Year 2011-2012

1. Complete this table below. 3. If a person’s kidneys are diseased he or she may have a kidney transplant. Though, sometimes a transplanted kidney is rejected. Explain why rejection may happen? Homeostatic Organ Factor Controlled Liver Lungs Water content of blood Heat loss or gain Define these terms: a. Excretion b. Homeostasis c. Negative feedback 2. Label this following diagram. 5. How is the waste substance urea removed from the blood by dialysis? 6. What will be the respond for the structures shown in the diagram if the body temperature is rising? A B C D