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Question
Define the following term:
Ear ossicles
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Solution
The middle ear contains three tiny bones malleus, incus and stapes or hammer, anvil and stirrup in popular terms and a eustachian tube which connects the cavity of the middle ear with the throat. The three bones are collectively called the ear ossicles ( osseus: bone, ossicle : little bone).
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RELATED QUESTIONS
For human ears, the audible range is 20 Hz to 20,000 Hz.
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
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Give the collective biological term for Malleus, locus and Stapes.
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the parts labeled A, B and C in the diagram.
Mention, if the following statement is True or False
Deafness is caused due to the rupturing of the pinna.
Long answer question
Draw the neat labelled diagram of the human ear.
The part of the ear that collects the sound from the surroundings is ______.
Name the part of the inner ear that is responsible for static balance in human beings.
