Multiple choice general knowledge

The most important "kissing muscle", responsible for puckering of lips is called

  1. orbicularis oris

  2. infra spinatus

  3. deltoid

  4. latissimus dorsi
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A Correct answer
Explanation

The orbicularis oris is the circular muscle that surrounds the mouth and is responsible for lip movements like puckering, closing, and kissing. This muscle encircles the oral opening and controls lip shape and position. The other options - infraspinatus, deltoid, and latissimus dorsi - are muscles located in the shoulder and back regions, not involved in facial expressions.

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