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11 Cards in this Set

  • Front
  • Back
Skeletal Muscle
Voluntary muscles that attach to skeleton and give us strength and mobility
Smooth Muscle
Involuntary muscles – provide steady and sustained contractions – e.g., Uterus for childbirth, Blood vessels, intestines
What are some examples of smooth muscles?
Uterus for childbirth, blood vessels, intestines
Cardiac Muscle
Provide rhythmic contractions of heart to propel blood. Also involuntary
Which two muscle are involuntary?
Smooth and Cardiac
How does skeletal muscle work?
Most work in opposition
What do most skeletal muscles attach to?
tendons
What happens to the origin and insertion when a muscle contracts?
When a muscle contracts, the insertion is pulled toward the origin
Origin
End of muscle that attaches to bone that remains relatively stationary during contraction
Insertion
Attaches to bone across a joint
Fasicle
Bundle of muscle cells. Each fascicle contains a number of muscle cells.