Structure and Function of the Ear

What is the function of the auditory canal?

• to block sound waves that could be harmful

• to direct sound waves to the eardrum

• to detect sensations of movements

• to equalize air pressure between the outer and middle ear

When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to _________.

• the auditory canal

• the cochlea

• the semi-circular canals

• the ossicles

Which part of the ear allows balance when in motion and detects rotary (turning) sensations?

• the vestible

• the cochlea

• the semi-circular canals

• the ossicles

• the eardrum

Sound is produce by

• Vacuum

• Sound wave

• Hitting

• Vibration

Of the following, when a sound is heard, what structure would be the first to transmit the sound wave?

• Organ of Corti
• Cochlea
• Stapes
• Tympanic membrane

What organ of the inner ear is NOT involved in hearing?

• Vestibule
• Cochlea
• Organ of Corti
• Semicircular canals

What is inside of the Cochlea?

• Liquid, and tiny hairs

• Water, and tiny hairs

• Acid, and hairs

• Water, and fuzz

Identify the Auditory Canal (external Acoustic Meatus).

Tags

NGSS.MS-LS4-2

Identify the Cochlea.

Identify the Auricle (Pinna).