Fill in the blanks appropriately Organ Excretory wastes

(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.)