<Tr> <Td> Moon </Td> <Td> Brain </Td> </Tr> <Tr> <Td> Mercury </Td> <Td> Lungs </Td> </Tr> <Tr> <Td> Venus </Td> <Td> Kidneys </Td> </Tr> <Tr> <Td> Mars </Td> <Td> Gall bladder </Td> </Tr>

Explain the function of each of the organs involved in excretion