Three intro human anatomy q..

1) The substance which holds the neural retina against the pigmented layer is the _______.

2) As sound vibrations hit the tympanic membrane, this causes vibration of the stapes, which transmit this vibration to the oval window. Here sound vibration is converted to _______ vibration within the cochlea.

3) In some children the auditory tubes are shorter than normal and more horizontal, resulting in inflammation of the middle ear called _______. This inflammation results in the build-up of fluid within the middle ear cavity, putting pressure on the tympanic membrane.

Thanks in advance! =)

1) Choroid plexus

2) MECHANICAL

3) OTITIS MEDIA