<P> Cardiovascular procedures are more likely to be performed in an inpatient setting than in an ambulatory care setting; in the United States, only 28% of cardiovascular surgeries were performed in the ambulatory care setting . </P> <Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (March 2015) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (March 2015) </Td> </Tr> <P> A number of alternative medical systems such as Chinese medicine view the circulatory system in different ways . </P>

Who discovered closed circulatory system first of all