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प्रश्न
Where is the Semicircular canals located? Briefly mention its function.
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उत्तर
Semicircular canals are located in the inner ear. These help in maintaining the dynamic equilibrium of the body.
संबंधित प्रश्न
Given in the box below are a set of 14 biological terms. Of these, 12 can be paired into 6 matching pairs. Out of the six pairs, one has been done for you as an example.
Example : endosmosis - Turgid cell.
Identify the remaining five matching pairs :
| Cushing’s syndrome, Turgid cell, Iris, Free of rod and cone cells, Colour of eyes, Hypoglycemia, Active transport, Acrosome, Addison’s disease, Blind spot, Hyperglycemia, Spermatozoa, Endosmosis, Clotting of blood. |
The three parts of human ear contributing in hearing are-
With reference to the human ear, answer the question that follow:
Name the part of the ear associated with
(1) static balance
(2) hearing
(3) dynamic balance.
What is the name of passage in outer ear which carries sound waves to the ear-drum ?
Name the following:
Part of internal ear related to balance.
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
Name the three ossicles of the middle ear.
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.
Where are the following located?
Eustachian canal
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
 |
- 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.
