<Table> <Tr> <Td> </Td> </Tr> <Tr> <Td> This article is one of a series documenting the anatomy of the </Td> </Tr> <Tr> <Th> Human ear </Th> </Tr> <Tr> <Td> Outer ear (show) <Ul> <Li> Pinna </Li> <Li> Tragus </Li> </Ul> </Td> </Tr> <Tr> <Td> Middle ear (hide) <Ul> <Li> Tympanic membrane </Li> <Li> Ossicles <Ul> <Li> Malleus </Li> <Li> Incus </Li> <Li> Stapes </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Inner ear (show) <Ul> <Li> Vestibules <Ul> <Li> Utricle </Li> <Li> Saccule </Li> </Ul> </Li> <Li> Cochlea </Li> <Li> Semicircular canals </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> This article is one of a series documenting the anatomy of the </Td> </Tr> <Tr> <Th> Human ear </Th> </Tr> <Tr> <Td> Outer ear (show) <Ul> <Li> Pinna </Li> <Li> Tragus </Li> </Ul> </Td> </Tr>

Which of the following describes the primary function of the ossicles