Hearing & Balance: Crash Course A&P #17

What are the two main jobs of our ears?

• being able to pop our ears when we go up to the mtns or fly in a plane.

• maintaining balance and equilibrium

• being able to sense vibrations

• receiving and Interpreting Sound waves

Tags

NGSS.MS-PS4-2

The two most important things when it comes to sound waves---its pitch and volume ---these are due to the sound waves what?

• amplitude

• volume

• frequency

• wave spacing

What are the division of your ear? check all that apply

• middle

• inner

• outer

• medial

True / False -- your middle ear helps you to stay upright when your friend tries to push you down.

• True

• False

What are the 3 very small auditory ossicles found in the ear? Check all that apply

• malleus

• incus

• staples

• stapes

The opening where sound waves enter the inner ear is known as the _______window.

• tympanic

• square

• oval

• round

What is the area where we find these progressively looser hair structures?

• tympanic labirynth 

• pinna / auricle

• malleus/hammer

• cochlea

• none of these

What structure vibrates in response to sound waves and then in turn creates action potentionals (electrical signals) that are sent to the brain?

• membranous labrynth 

• oval window of the scala vestibuli 

• cochlea

• organ of corti

What are the structures that houses our sense of balance ?

• cochlea

• semi circular canals

• incus

• pinna

What fluid results from a confllict between what you are seeing and what your balance senses are telling your brain?

• cerebral spinal fluid CSF

• inner ear fluid

• external ear fluid

Tags

NGSS.MS-LS1-8