1. lubricate the epithelial tissue
2. regulate water supply
3. regulate body temperature
4. All of above
regulate body temperature
1. Uric acid
2. Urea
3. Creatinine
4. Lipoproteins
Lipoproteins
1. enzyme
2. vasopressin
3. oxytocin
4. catalyst
vasopressin
1. Urea
2. Creatinine
3. Sodium
4. Glucose
Glucose
1. anabolism
2. metabolism
3. deamination
4. amino acid metabolism
metabolism
1. uraemia
2. anuria
3. diurea
4. haematuria
uraemia
1. sodium
2. potassium
3. iron
4. calcium
sodium
1. Malpighian tubules
2. flame cell
3. nephron
4. nephridium
Malpighian tubules
1. Blood
2. Kidney
3. Liver
4. Spleen
Liver
1. anuria
2. polyuria
3. oligourea
4. floating kidney
oligourea