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Question

Which of these constitute the outer ear?

A
Earlobe
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B
Cochlea
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C
Auditory canal
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D
Eustachian canal
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Solution

The correct options are
A Earlobe
C Auditory canal
The outer ear consists of earlobe (pinna) and auditory canal. Ear pinna or earlobe is made up of cartilage. Auditory canal is a small tubular structure with hairs and wax secreting cells.

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