<Tr> <Th> Ion </Th> <Th> Normal concentration range (mEq. L) </Th> </Tr> <Tr> <Td> Sodium </Td> <Td> 135--145 </Td> </Tr> <Tr> <Td> Potassium </Td> <Td> 3.6--5.1 </Td> </Tr> <Tr> <Td> Chloride </Td> <Td> 95--105 </Td> </Tr>

Where is blood plasma produced in the body