Answer: b. orbicularis oculi
Explanation: The muscle that is responsible for the closure of the eyelids which results to involuntary blinking, squinting or winking of the eyes is called the Orbicularis oculi muscle. The Orbicularis oculi muscle is located in the face and It is made up of two portions that is the palpebral portion and the orbital portion.
There are many ecosysyems
Answer:
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Explanation:
Vestigial structures are parts of an animal's body that serve no function, but did in earlier evolutionary stages. Two examples of this are the human appendix and the snake pelvic bone.