About this document
Human Ear Function and Structure Grade 12 by Lethabo Mngomezulu is a document available to read on EtoBox.
The human ear is responsible for both hearing and balance. Sound waves enter the ear and are amplified by the ossicles in the middle ear before causing vibrations in the cochlea that are interpreted as sound. The semi-circular canals and sacculus detect changes in movement and position, transmitting signals to the cerebellum to maintain balance. Common hearing defects include middle ear infections, which cause pain from pressure buildup, and deafness from injury or other causes treated with hearing aids or
- Author
- Lethabo Mngomezulu
- Language
- EN