Podcast
Questions and Answers
The smallest bones in the body are called the ______.
The smallest bones in the body are called the ______.
ossicles
Sound waves travel through the auditory canal and cause the ear ______ to vibrate.
Sound waves travel through the auditory canal and cause the ear ______ to vibrate.
drum
Vibrations from the eardrum are transmitted to the cochlea via the ______.
Vibrations from the eardrum are transmitted to the cochlea via the ______.
ossicles
The inner ear is where the cochlea is located, which processes the ______ from the ossicles.
The inner ear is where the cochlea is located, which processes the ______ from the ossicles.
The auditory canal is responsible for directing sound waves to the ear ______.
The auditory canal is responsible for directing sound waves to the ear ______.
The cochlea contains delicate hair cells or ______ that respond to vibrations.
The cochlea contains delicate hair cells or ______ that respond to vibrations.
The bending of cilia is caused by vibrations in the cochlean ______.
The bending of cilia is caused by vibrations in the cochlean ______.
When the cilia bend, they release a chemical ______ into the auditory nerve.
When the cilia bend, they release a chemical ______ into the auditory nerve.
The impulses generated in the auditory nerve are a result of the bending of ______.
The impulses generated in the auditory nerve are a result of the bending of ______.
The ______ is the part of the ear that plays a key role in hearing by converting sound waves.
The ______ is the part of the ear that plays a key role in hearing by converting sound waves.
Pitch (tone) is the frequency of the ______.
Pitch (tone) is the frequency of the ______.
A low frequency produces a low ______.
A low frequency produces a low ______.
A high frequency produces a high ______.
A high frequency produces a high ______.
We can differentiate sounds by a number of ______.
We can differentiate sounds by a number of ______.
The frequency of sound determines its ______.
The frequency of sound determines its ______.
I can hear cars passing on the ______ outside.
I can hear cars passing on the ______ outside.
There is machinery working on a ______ nearby.
There is machinery working on a ______ nearby.
I can hear the drone of a ______ overhead.
I can hear the drone of a ______ overhead.
The sound of bird ______ can also be heard.
The sound of bird ______ can also be heard.
As I sit at my ______, I hear various sounds.
As I sit at my ______, I hear various sounds.
Mechanoreceptors respond to ______.
Mechanoreceptors respond to ______.
There are two kinds of ______, which respond to different types of pressure.
There are two kinds of ______, which respond to different types of pressure.
Rapidly adapting mechanoreceptors respond to immediate ______ as the skin is indented.
Rapidly adapting mechanoreceptors respond to immediate ______ as the skin is indented.
______ adapting mechanoreceptors respond to immediate pressure.
______ adapting mechanoreceptors respond to immediate pressure.
Different types of ______ lead to varying responses in mechanoreceptors.
Different types of ______ lead to varying responses in mechanoreceptors.
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Study Notes
Hearing
- The ear can detect a variety of sounds, including car traffic, construction, airplanes and birds
- The ear is made up of three parts: the outer ear, the middle ear, and the inner ear
- The outer ear collects sound waves and funnels them into the auditory canal
- The middle ear contains the ossicles, which are the smallest bones in the body
- The ossicles transmit vibrations from the eardrum to the cochlea
- The inner ear contains the cochlea, which is filled with fluid
- The cochlea contains hair cells that bend in response to vibrations
- The bending of the hair cells releases a chemical that causes impulses in the auditory nerve
- The auditory nerve sends these impulses to the brain, where they are interpreted as sound
Pitch
- Pitch is determined by the frequency of sound waves
- Low frequency sound waves produce low pitches
- High frequency sound waves produce high pitches
Touch
- Mechanoreceptors are sensory receptors that detect pressure
- There are two types of mechanoreceptors: rapidly adapting and slowly adapting
- Rapidly adapting mechanoreceptors respond to immediate pressure
- Slowly adapting mechanoreceptors respond to sustained pressure
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