The Orbicularis Oculi Muscle

Question

The orbicularis oculi muscle
A) puckers the mouth for kissing.
B) contributes to pouting.
C) contributes to laughing and smiling.
D) causes crow's feet wrinkles.
E) raises the eyelid.

Accepted Answer

The orbicularis oculi muscle is responsible for closing the eyelids and is involved in the formation of crow's feet wrinkles, which are lines that appear at the outer corners of the eyes due to repetitive movements such as squinting or smiling.