1) which organ/s responsible for excretion of excess water  a) kidneys b) skin c) liver d) lungs 2) which organ/s responsible for excretion of wastes a) kidneys b) liver c) skin d) lungs 3) which of the following is not an excretory organ? a) skin b) lungs c) colon d) liver 4) which of the following is an excretory material a) undigested food b) water c) glucose d) minerals 5) which organ responsible for excretion of carbon dioxide a) kidneys b) skin c) liver d) lungs 6) water is an excretory materials resulted from which chemical reactions? a) digestion b) respiration c) excretion

excretion 1

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