Only Anatomy Majors Can Pass This Muscle Quiz

Which muscle group helps us smile?

Retry Correct Incorrect The zygomaticus major is a muscle group in the face that allows us the lift the corners of our mouth in a smile. According to scientists, it takes an average of 12 muscles for a human to smile.

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Steve Granitz/WireImage

Steve Granitz/WireImage

Which muscle group helps us smile?

• Levator labii superioris
• Orbicularis oculi
• Zygomaticus major
• The ears