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Question
Given below is certain structure. Write against them its functional acivity.
organ of corti and ……………….
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Solution
Organ of Corti and hearing
RELATED QUESTIONS
Write short notes on the following Ear ossicles
Explain the following:
Mechanism through which a sound produces a nerve impulse in the inner ear.
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
Name the following:
The ear ossicle attached to the tympanum.
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Semi-circular canals are concerned with static (positional) balance.
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.
Complete the following sentence with appropriate word :
________ is the organ of balance and hearing in the body.
State the Function:
Endolymph
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
