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Question
The figure below is the sectional view of a part of the skull showing a sense organ:
What do you call the part shown in the form of a spiral? What is its function?
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Solution
Cochlea. The vibrating movements in the hair of the sense cells of cochlea transmit the impulse for hearing to the brain via auditory nerve.
RELATED QUESTIONS
Draw labelled diagrams of the following: Ear
Eye : Optic nerve : : Ear : ___________
Differentiate between near vision and distant vision (Shape of the eye lens).
Name that part of ear which vibrates when outside sound falls on it.
Give the main function of the following:
Cochlea
The figure below is the sectional view of a part of the skull showing a sense organ:
Name the part labeled 'tm'. What is its function?
Given below is the diagram of the human ear. Study the same and answer the questions that follow:
(i) Give the biological term for the part labeled ‘A’ and state its function.
(ii) Name the part labeled ‘B’ and state its function.
(iii) Name the part labeled ‘C’ and state its function.
(iv) Give the function of ear wax.
State the Location:
Semicircular canals
The Eardrum moves inward when a rarefaction reaches it.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ears: Auditory nerve :: Eyes : ______.
