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प्रश्न
Name the following:
The part which equalises the air pressure in the middle and external ear.
उत्तर
Eustachian tube
APPEARS IN
संबंधित प्रश्न
Explain the following:
Mechanism through which a sound produces a nerve impulse in the inner ear.
Eye : Optic nerve : : Ear : ___________
State the main function of the Eustachian tube
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Give technical terms for The nerve which transmits impulses from the ear to the brain
Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
With reference to the human ear, answer the question that follow:
Name the three small bones present in the middle ear. What is the biological term for them collectively ?
With reference to the human ear, answer the question that follow:
Name the part of the ear associated with
(1) static balance
(2) hearing
(3) dynamic balance.
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
Mention the exact location of the following :
Incus
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?
Write whether the following is true or false:
Vitreous chamber is present in ear in humans.
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
The part of the ear that turns pressure variations into electrical signals is ______.
Given below is a diagrammatic representation of a part of the human ear.
- Name the parts numbered 1-6.
- Which parts of the ear shown here are complete.
 |
The median canal of cochlea is filled with ______.
Define the following term:
Ear ossicles
- 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.
Name the part of the inner ear that is responsible for static balance in human beings.
