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What facial expression muscles are used in a surprise expression?

Facial muscles are usually employed to display surprise.


What muscles are mimetic muscles?

They are facial muscles innervated by the facial nerve that, among other things, control facial expression.


What is the nerve supply of the muscles of facial expression?

The facial muscles are innervated by facial nerve (cranial nerve VII). In contrast, the nearby masticatory muscles are innervated by the mandibular nerve, a branch of thetrigeminal nerve (V).


What cranial nerve is responsible for muscles of facial expression?

Facial nerve, the seventh cranial nerve. It leaves the brain along with eighths cranial nerve through internal acoustic meatus and comes out through stylomastoid foramen to supply the muscles of facial expression.


What two muscles of facial expression that are circular and their function?

The two facial muscles that are circular are the Orbicularis Oculi(around eye), and the Orbicularis Oris(around mouth).


How many nerves to make a smile?

It takes 43 muscles to form a smile, but there are too many nerves involved to provide an exact number. The facial muscles are innervated by the facial nerve (CN VII), which branches out into numerous smaller nerves that control specific movements in the face.


Which nerve control smiling?

The facial nerve, also known as cranial nerve VII, controls the muscles of facial expression, including those involved in smiling. It originates in the brainstem and innervates the muscles of the face, allowing for various facial movements, including smiling.


How many facial muscles do you have?

There are 33 muscles in a human face. And no, it doesn't take more muscles to frown than to smile.


What is the difference between grimace and frown?

A grimace is typically a facial expression of pain or disgust, often involving a tightening or contortion of facial muscles. A frown, on the other hand, is a facial expression that indicates disapproval, displeasure, or sadness, usually involving a downward turning of the corners of the mouth.


When you smile with your cheeks does that have to do with your facial muscles?

Yes, it has to do with facial muscles


How many facial muscles do you use to kiss?

35


How does your smile affect your facial muscles?

Smiling involves the contraction of specific facial muscles, like the zygomatic major and minor muscles, which pull the corners of the mouth upward. This action also engages the orbicularis oculi muscles around the eyes, creating crow's feet or eye wrinkles. Additionally, smiling can help relax other facial muscles and release tension, contributing to a more positive facial expression.