The Correct Answer is Option 1 i.e Pinna. +---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Pinna | The pinna is the only visible part of the ear with its special helical shape . It acts as a kind of funnel that assists in directing the sound further into the ear . This is the outside part of the ear , collects sound from the environment or surroundings. | +---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Cochlea | The cochlea is a portion of the inner ear . It looks like a snail shell . The function of the cochlea is to transform the vibrations of the cochlear liquids and associated structures into a neural signal . | | Anvil | In the middle ear , there are three tiny bones (ossicles) - the hammer (malleus), anvil (incus) and stirrup (stapes). Also called the incus, a tiny bone that passes vibrations from the hammer to the stirrup . | | Hammer | It is also called the Malleus . It is a tiny bone that passes vibrations from the eardrum to the anvil. | +---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+