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.

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Solution

External ear Middle ear Internal ear

Pinna, Eardrum, Tympanum Hammer, Anvil, Stirrup, Oval window, Eustachian tube Semi circular canals, Cochlea

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Standard VIII Physics

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External ear	Middle ear	Internal ear
Pinna, Eardrum, Tympanum	Hammer, Anvil, Stirrup, Oval window, Eustachian tube	Semi circular canals, Cochlea

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.

External ear Middle ear Internal ear Pinna, Eardrum, Tympanum Hammer, Anvil, Stirrup, Oval window, Eustachian tube Semi circular canals, Cochlea​

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.

External ear Middle ear Internal ear

Pinna, Eardrum, Tympanum Hammer, Anvil, Stirrup, Oval window, Eustachian tube Semi circular canals, Cochlea