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प्रश्न
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
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उत्तर
- External ear: Pinna, Tympanum, Ear drum.
- Middle ear: Hammer, anvil, stirrup, Eustachian tube, oval window.
- Internal ear: Semi-circular canals, Cochlea.
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संबंधित प्रश्न
Which part of our body helps us in maintaining the body balance?
Answer the following:
Which part of the ear determines the pitch of a sound?
A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
The part of the ear that turns pressure variations into electrical signals is ______.
The eardrum is known as ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Eyes: Photoreceptors :: Ears : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with dynamic balance.
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
