SCE 3101 ANIMAL EXCREATION

SCE 3101 ANIMAL EXCREATION1. What are the 5 of excretory substances.

2. Names the organs excreation in human and its function

3. Names the organs excreation in non human

4. State the function of kidney

5. Draw and label the human kidney6. The 3 important processes in the urine formation are :

7. Draw and label the nephron structure and state the area of 3 processes occur during formation of urine.

8. What is osmoregulation ?

9. What will happen when the blood osmotic pressure rises above the normal value?

10. What will happen when the blood osmotic pressure below the normal value?

11. i) Define the kidney failure

ii) Kidney failure may be caused by ..

iii) If both kidneys fail to function, the patient can still continue to live by..

12. Describe what is the function of skin13. What happen to the hypothalamus when higher and lower temperature detected

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SCE 3101 PLANT EXCREATION

1. Describe how the evaporation processes occur in the leave

2. Water losses by ____________ and _____________________from leaf surface.

3. Why water loss happened in plants?

4. State 4 adaptations of leaf structure which may reduce transpiration

5. describe 5 external factors and internal factors may effect the rate of transpiration.

6. Define the gutation process