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प्रश्न
State the functions of the following:
Semi-circular canals
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उत्तर
They are concerned with maintaining equilibrium and posture of the body.
संबंधित प्रश्न
Answer the following:
Which part of the ear determines the pitch of a sound?
Mention the exact location of the Eustachian tube
(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.
Differentiate between Near vision and Distant vision (shape of the eye lens)
Name the following:
The ear ossicle attached to the tympanum.
The diagram alongside represents the structure of the human ear.
(i) Write the names of the parts labelled a to g.
(ii) State briefly the functions of the parts b, d, and g.
(iii) Name the main division of the ear.
(iv) Which is the smallest bone in the human body?
(v) What is labyrinth?
Long answer question
Draw the neat labelled diagram of the human ear.
X is known as the balancing organ of ear.
Choose the correct option for X.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
 |
- Label the parts 1 to 8.
- State the role of parts 6, 7 and 8.
- Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.
