Question

which muscle acts to close the eyelid in a winking motion when it contracts?
the levator palpebrae muscle
the nasalis muscle
the orbicularis oris muscle
the orbicularis oculi muscle

Explanation:

The orbicularis oculi muscle is responsible for closing the eyelid, including in a winking motion. The levator palpebrae muscle raises the eyelid, the nasalis muscle is related to the nose, and the orbicularis oris muscle is around the mouth.

Answer:

The orbicularis oculi muscle