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प्रश्न
A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.
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उत्तर
A fluid that occupies the larger cavity of the eye ball behind the lens is vitreous humour.
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संबंधित प्रश्न
Answer the following:
Which part of the ear determines the pitch of a sound?
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
Select the option with incorrect identification:
The median canal of cochlea is filled with ______.
The part of the inner ear which is responsible for hearing is ______.
- 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.
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
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- 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.
