Fill in the blanks appropriately Organ Excretory wastes

a. Kidneys ______________________

b. Lungs ______________________

c. Liver ______________________

d. Skin ______________________

a) Kidneys - Urea, uric acid, ammonia (based on organisms but usually urea like in human beings)

b) Lungs - CO₂ and H₂O

c) Liver- Bilirubin, Biliverdin, cholesterol, vitamins and other drugs

d) Skin - Water, Sweat ( salt, urea, lactic acid) , Sebum (sterols, hydrocarbons etc.)