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How are facial muscles different from other muscles of the body?

A) Facial muscles do not attach to the bone.
B) Facial muscles do not work in pairs.
C) Facial muscles are involuntary.
D) Facial muscles are too weak to work alone.

Answer :

Final answer:

Facial muscles are different from most other muscles primarily because they do not attach to bone. Instead, they attach to the skin and move it to create facial expressions. They are also partially voluntary and partially involuntary.

Explanation:

The main difference between facial muscles and most other muscles in the body is that facial muscles do not typically attach to bone. Instead, the origins of the muscles of facial expression are on the surface of the skull and their insertions have fibers intertwined with connective tissue and the dermis of the skin. This allows the facial muscles, as opposed to other muscles, to move the skin to create facial expressions when they contract. Moreover, while many muscles in the body are voluntary muscles like skeletal muscles and can be controlled by an individual's will, facial muscles are an exception as they are both voluntary and involuntary because even though we control them, some, like the ones controlling blinking, can act independently.

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