Draw a labelled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.

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Solution

The inner ear is divided mainly into two parts: cochlea and semicircular canals.

Cochlea is responsible for transmitting vibrations of ear ossicles (present in the middle ear) in the form of impulses through the auditory nerve.

The auditory nerve is connected with the sensory cells present in the cochlea. Utriculus and sacculus are responsible for maintaining static balance in human beings.

Semicircular canals are responsible for maintaining the dynamic balance of the body.

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Similar questions

With reference to the human ear, answer the questions that follow:
(a) Give the technical term for the structure found in the inner ear.
(b) Name the three small bones present in the middle ear. What is the biological term for them collectively?
(c) Name the part of the ear associated with (l) static balance (2) hearing (3) dynamic balance.
(d) Name the nerve, which transmits messages from the ear to the brain.

Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow :
(i) Give the collective biological term for Malleus, Incus and Stapes.
(ii) Name the parts labelled A, B and C in the diagram.

(iii) State the functions of the parts labelled 'A' and 'B'.
(iv) Name the audio receptor region present in the part labelled 'A'.

Q. 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.

Q. The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
Figure

(i) Name the parts labelled A, B, C and D.
(ii) Name the part 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.

Q. a) Draw a well labelled diagram of membranous labyrinth.
b) Based on the diagram drawn above , give a suitable term for each of the following description;
i) The part that is responsible for static balance.
ii) The membrane covered opening that connects the middle ear to inner ear.
iii) The fluidpresent in the middle chamber of cochlea.
iv) The structure that maintains dynamic balance of the body.

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Standard VIII Physics

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