<Li> PS: vagus nerves </Li> <Li> S: greater splanchnic nerves </Li> <Tr> <Th> jejunum and ileum </Th> <Td> <Ul> <Li> PS: posterior vagal trunks </Li> <Li> S: greater splanchnic nerves </Li> </Ul> </Td> <Td> T5, T6, T7, T8, T9 </Td> </Tr> <Ul> <Li> PS: posterior vagal trunks </Li> <Li> S: greater splanchnic nerves </Li> </Ul>

The parasympathetic nervous system mediates which of the following