5 terms

Chapter 4: Musculoskeletal system

musculoskeletal system
the bones and voluntary muscles of the body.
skeletal muscle
muscle that is attached to bones and usually crosses at least one joint; striated, or voluntary muscle
voluntary muscle
muscle that is under direct voluntary control of the brain and can be contracted or relaxed at will; skeletal or striated muscle
smooth muscle
nonstriated, involuntary muscle; it constitutes the bulk of the gastrointestinal tract and is present in nearly every organ to regulate automatic activity
involuntary muscle
muscle over which a person has no conscious control. it is found in many automatic regulating systems of the body.