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प्रश्न
State the exact location of the Ciliary body
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उत्तर
Between iris and choroid (composed of ciliary muscles)
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संबंधित प्रश्न
Given below is a representation of a kind of pollution. Study the same and answer the questions that follow
(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants
Briefly explain the following terms: Power of accommodation
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
Where is the Cochlea located? Briefly mention its function.
Draw a labelled diagram of the inner ear.
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.
Vibrating particles travel all the way from the vibrating objects to the ear.
The eardrum is known as ______.
Choose the odd one out from the following terms and name the category to which the others belong:
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
