What are the functions of the muscular system?
to hold body parts in position, to provide cover for internal organs, to produce body heat, to move food through the digestive system, to aid blood flow, and to help with movement of fluids
What are muscles?
Bundles of fibers held together by connective tissue
How do muscles move?
Nerve stimulation causes fibers to contract causing body movement
What are voluntary muscles?
Muscles that you can control
What are involuntary muscles?
Muscles that are not in your control
What are the 3 types of muscle tissues?
Skeletal, smooth, and cardiac muscles
What are skeletal muscles?
Voluntary muscles attached to the bone
What are skeletal muscles also called?
What are smooth muscles?
involuntary muscles surrounding internal organs
What are smooth muscles also called?
What are cardiac muscles?
involuntary muscles found only in the heart
What are cardiac muscles also called?
what are the muscle tissue properties?
automaticity, contractility, elasticity, excitability, extensibility
what is muscle automaticity?
the ability of muscle to contract without the involvement of a nerve supply
Where does muscle automaticity occur?
smooth and cardiac muscles
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