<Tr> <Td> Heart </Td> <Td> Increases rate and force of contraction </Td> </Tr> <Tr> <Td> Lungs </Td> <Td> Dilates bronchioles via circulating adrenaline </Td> </Tr> <Tr> <Td> Blood vessels </Td> <Td> Dilate in skeletal muscle (in animals). </Td> </Tr> <Tr> <Td> </Td> <Td> Constricts in gastrointestinal organs </Td> </Tr>

The neurotransmitter that is released by the postganglionic axons in the sympathetic nervous system