<Table> <Tr> <Th_colspan="2"> Paranasal sinuses </Th> </Tr> <Tr> <Td_colspan="2"> Paranasal sinuses seen in a frontal view </Td> </Tr> <Tr> <Td_colspan="2"> Lateral projection of the paranasal sinuses </Td> </Tr> <Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> sinus paranasales </Td> </Tr> <Tr> <Th> MeSH </Th> <Td> D010256 </Td> </Tr> <Tr> <Th> TA </Th> <Td> A06. 1.03. 001 </Td> </Tr> <Tr> <Th> FMA </Th> <Td> 59679 76587, 59679 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Paranasal sinuses </Th> </Tr>

Which one of the following is not a function of the paranasal sinuses