Auditory system
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- The auditory system is the sensory system our body uses for the sense of hearing.
The auditory system - anatomy[edit | edit source]
- The human ear is a complex and delicate organ which collects sound waves and helps in balance.
3 parts[edit | edit source]
- The outer ear and middle ear help collect and amplify sound.
- The inner ear converts sound waves to messages that are sent to the brain.
- The inner ear also senses the movement and position of your head and body so you can maintain your balance and see clearly, even when you change positions.
- The mastoid bone surrounds the middle ear.
External ear[edit | edit source]
- The external ear collects sound waves.
- The ear canal carries sound waves to the eardrum.
- The eardrum vibrates from sound waves, setting the middle ear bones in motion.
Middle and inner ear[edit | edit source]
- The middle ear bones (ossicles) vibrate, transmitting sound waves to the inner ear.
- When the ear is healthy, air pressure remains balanced in the middle ear.
- The eustachian tube helps control air pressure in the middle ear.
- The semicircular canals help maintain balance.
- The vestibular nerve carries balance signals to the brain.
- The auditory nerve carries sound signals to the brain.
- The cochlea picks up sound waves and makes nerve signals.
See also[edit | edit source]
Auditory system Resources | ||
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