The zygomaticus is a skeletal muscle, and as such is a 'striated' muscle. It is also a parallel muscle. It functions in chewing, and is therefor one of the 'Masticating' muscles.
draws corners of the mouth superiorly and laterally
it helps you smile.
no
smooth muscle.
the cardiac muscle
There is also cardiac muscle and smooth muscle. They are both involuntary muscles.
muscles that relate to the heart
You can control voluntary muscles.
skeletal muscle
voluntary muscles
Voluntary muscles can be flexed.
There are three types of muscles. Cardiac, smooth, and skeletal muscle. Skeletal muscles are the only ones you can voluntarily control.
Voluntary muscles are muscles you consciously think about moving, so stuff like Biceps, triceps, that kind of muscle.
They are striated because striated means kind of stripey and the muscles has stripes of muscle itself.
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