<Tr> <Td> HDL </Td> <Td> High Density Lipoprotein </Td> <Td> Level of "good cholesterol" in the blood (ratio of HDL: LDL is usually more significant than actual values) </Td> </Tr> <Tr> <Td> LDL </Td> <Td> Low Density Lipoprotein </Td> <Td> Level of "bad cholesterol" in the blood (ratio of HDL: LDL is usually more significant than actual values) </Td> </Tr> <Tr> <Td> CRP </Td> <Td> C - Reactive Protein </Td> <Td> Level of inflammation with the body . If the immune system is fighting an infection or illness, CRP will be higher . </Td> </Tr> <Tr> <Td> CBC <P> (UK: FBC) </P> </Td> <Td> Complete Blood Count <P> (UK: Full Blood Count) </P> </Td> <Td> Analysis of 15 different blood test readings to provide information about overall health . </Td> </Tr>

What do they do in a blood test