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15 votes
15 votes
How do cats purr? Do all felines purr? Why do they do it?

User Chris Finley
by
2.6k points

1 Answer

25 votes
25 votes

Answer:

When cats breathe, they dilate and constrict the glottis, the area around their vocal cords, in a rapid, rhythmic fashion. As the air vibrates over the laryngeal muscles of their larynx, the purring sound occurs.

User Suther
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3.0k points
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