20 POINTS AND BRAINLIEST

Biology

2 answers:

MariettaO [177]3 years ago

8 0

Answer:

Decrease a person ability to hear because pinnae funnel sound into the ear canal and if its enlarge example swollen, the tunnel will be more narrower for sound to pass

Elis [28]3 years ago

7 0

Answer:

C. Decrease a person’s ability to hear because pinnae funnel sound into the ear canal

Explanation:

In mammmals, especially humans, the pinna also known as auricle is a large fleshy cartilage outer structure of the hear which is situated on the lateral aspect of the head. The pinna direct sound waves toward the auditory canal. Although the pinna may direct sound into the auditory canal but this portion of the ear is not vital for hearing.

The only main importance of the auricle is just to capture sound, the most important aspect of the outer ear is the ear canal itself, if the ear canal is not open, hearing will be dampened.

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