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प्रश्न
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?
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उत्तर
m - malleus, i - incus and s - stapes respectively. These are collectively called as ear ossicles.
संबंधित प्रश्न
The unit of frequency is ______.
Mention the exact location of the Eustachian tube
A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.
Name the following:
The ear ossicle attached to the tympanum.
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
With reference to the human ear, answer the question that follow:
Name the three small bones present in the middle ear. What is the biological term for them collectively ?
The diagram alongside represents the structure of the human ear.
(i) Write the names of the parts labelled a to g.
(ii) State briefly the functions of the parts b, d, and g.
(iii) Name the main division of the ear.
(iv) Which is the smallest bone in the human body?
(v) What is labyrinth?
Long answer question
Draw the neat labelled diagram of the human ear.
Verify experimentally the laws reflection of sound.
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.
