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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
fill in the blanks with suitable functions: Ciliary body and __________.
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Where is the Cochlea located? Briefly mention its function.
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
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Give the collective biological term for Malleus, locus and Stapes.
Write whether the following is true or false:
Vitreous chamber is present in ear in humans.
The median canal of cochlea is filled with ______.
The spiral organ possessing sensory cells for hearing is ______.
Define the following term:
Ear ossicles
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
