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Questions and Answers
The smallest bones in the body are called the ______.
ossicles
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 ______.
ossicles
The inner ear is where the cochlea is located, which processes the ______ from the ossicles.
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The auditory canal is responsible for directing sound waves to the ear ______.
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The cochlea contains delicate hair cells or ______ that respond to vibrations.
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The bending of cilia is caused by vibrations in the cochlean ______.
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When the cilia bend, they release a chemical ______ into the auditory nerve.
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The impulses generated in the auditory nerve are a result of the bending of ______.
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The ______ is the part of the ear that plays a key role in hearing by converting sound waves.
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Pitch (tone) is the frequency of the ______.
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A low frequency produces a low ______.
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A high frequency produces a high ______.
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We can differentiate sounds by a number of ______.
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The frequency of sound determines its ______.
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I can hear cars passing on the ______ outside.
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There is machinery working on a ______ nearby.
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I can hear the drone of a ______ overhead.
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The sound of bird ______ can also be heard.
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As I sit at my ______, I hear various sounds.
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Mechanoreceptors respond to ______.
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There are two kinds of ______, which respond to different types of pressure.
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Rapidly adapting mechanoreceptors respond to immediate ______ as the skin is indented.
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______ adapting mechanoreceptors respond to immediate pressure.
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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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Description
Test your knowledge on how we perceive sound and touch. Explore the structure of the ear, the concept of pitch, and the mechanisms of touch through mechanoreceptors. This quiz covers essential sensory systems that help us interact with the world.
