<Li> Hypercoagulable state (thrombophilia) results from defects in regulation of platelet or clotting factor function, and can cause thrombosis . </Li> <Li> Infectious disorders of blood <Ul> <Li> Blood is an important vector of infection . HIV, the virus that causes AIDS, is transmitted through contact with blood, semen or other body secretions of an infected person . Hepatitis B and C are transmitted primarily through blood contact . Owing to blood - borne infections, bloodstained objects are treated as a biohazard . </Li> <Li> Bacterial infection of the blood is bacteremia or sepsis . Viral Infection is viremia . Malaria and trypanosomiasis are blood - borne parasitic infections . </Li> </Ul> </Li> <Ul> <Li> Blood is an important vector of infection . HIV, the virus that causes AIDS, is transmitted through contact with blood, semen or other body secretions of an infected person . Hepatitis B and C are transmitted primarily through blood contact . Owing to blood - borne infections, bloodstained objects are treated as a biohazard . </Li> <Li> Bacterial infection of the blood is bacteremia or sepsis . Viral Infection is viremia . Malaria and trypanosomiasis are blood - borne parasitic infections . </Li> </Ul> <Li> Blood is an important vector of infection . HIV, the virus that causes AIDS, is transmitted through contact with blood, semen or other body secretions of an infected person . Hepatitis B and C are transmitted primarily through blood contact . Owing to blood - borne infections, bloodstained objects are treated as a biohazard . </Li>

What is the most important function of the blood