1. Excretory System Quiz
Grade 8, Semester 2
Year

2. 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