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प्रश्न
Which part of our body helps us in maintaining the body balance?
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उत्तर
Vestibular apparatus is located in the internal ear, above the cochlea and helps in maintaining body balance. Crista and macula are the sensory spots of the vestibular apparatus controlling dynamic equilibrium.
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संबंधित प्रश्न
Explain the following:
Mechanism through which a sound produces a nerve impulse in the inner ear.
Answer the following:
Which part of the ear determines the pitch of a sound?
Differentiate between members of the following pair with reference to what is asked in bracket.
Dynamic balance and static balance (Definition)
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.
Mention the exact location of the following :
Incus
How could you convince a small child that when you speak, it is not necessary for air to travel from you mouth to the ear of listener?
There are three small bones in the muddle ear – anvil, hammer and stirrup :
(a) Which of these bones is in touch with ear-drum ?
(b) Which of these bones is in touch with oval window ?
The figure below is the sectional view of a part of the skull showing a sense organ:
What are the parts labeled 'm', 'i' and 's'? What do these parts constitute collectively?
Differentiate between:
The middle ear and Inner ear.
State the Location:
Semicircular canals
Choose the Odd One Out:
Describe the structure and function of the human ear?
Verify experimentally the laws reflection of sound.
The Eardrum moves inward when a rarefaction reaches it.
List the causes of noise pollution.
The eardrum is known as ______.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
The spiral organ possessing sensory cells for hearing is ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Semi-circular canal : Ampulla :: Cochlea : ______.
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
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- Label the parts 1 to 8.
- State the role of parts 6, 7 and 8.
- Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.
