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.)
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