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The ear ossicle that transports sound vibrations to the inner ear:
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Which part of the human ear gives ‘Static balance’ to the body?
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Rahul inserted a hairpin into his right ear to remove ear wax. He felt a sudden sharp pain with loss of hearing. This was due to ______.
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Arrange and rewrite the term in the group in the correct order so as to be in a logical sequence, beginning with the term that is underlined.
Auditory canal, Organ of Corti, Stapes, Malleus
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Read the explanation given below and name the structure:
A tubular passage that connects the pharynx and the middle ear.
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Give reason:
The children of the same parents, howsoever similar, are different from each other in certain aspects.
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Human ear is concerned with hearing only.
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Pinna concentrates and directs sound waves towards tympanum.
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Write the main functional activity of the following structure.
Cochlea
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Write the main functional activity of the following structure.
Semicircular canal
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Complete the following table by filling in the blank spaces.
| Structure | Function | ||
| 1. | ______ | (i) | Transfers impulse from inner ear to brain. |
| 2. | ______ | (ii) | Helps to change the focal length of the eye lens. |
| 3. | ______ | (iii) | Dynamic equilibrium |
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How do the three ear ossicles contribute in the mechanism of hearing?
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With reference to human ear answer the question that follow:
Name the part of the ear associated with hearing.
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Choose the odd one in each of the following:
Oestrogen; progesterone; testosterone; prolactin.
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What are the secondary sexual characters in the human male?
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Define the following term:
Puberty
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List any two changes each in human male and female, which occur during puberty.
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What is the significance of the testes being located in scrotal sacs outside the abdomen. Can there be any abnormal situation regarding their locations? If so, what is that and what is the harm caused due to it?
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Is it correct to say that the testes produce testosterone. Discuss?
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Choose the correct answer:
Secondary sexual characters appear in __________
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