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प्रश्न
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
State the functions of the parts labeled 'A' and 'B'.
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उत्तर १
Cochlea helps in transmitting impulses to the brain via the auditory nerve. Semicircular canals help in maintaining dynamic equilibrium of the body.
उत्तर २
A is concerned with the sense of hearing. B is concerned with the sense of dynamic balance.
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संबंधित प्रश्न
Which part of our body helps us in maintaining the body balance?
Mention the exact location of the Eustachian tube
A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.
The exact location of the Yellow spot
Differentiate between near vision and distant vision (Shape of the eye lens).
Draw a neat and labelled diagram of the human ear. With the help of this diagram, explain the construction and working of the human ear.
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
The part of the ear that turns pressure variations into electrical signals is ______.
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ears: Auditory nerve :: Eyes : ______.
