30. Fill in the blanks appropriately Organ Excretory wastes
Organ Excretory wastes
(a) Kidneys ........................
(b) Lungs ........................
(c) Liver ........................
(d) Skin ........................
Organ Excretory wastes
(a) Kidneys Urine
(b) Lungs CO2
(c) Liver Urea
(d) Skin Sweat
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