ANAPHY SAS 9

• Skeletal and smooth muscle cells (but are not cardiac muscle cells) are elongated

  Muscle fibers
• It is the plasma membrane of muscle cells

  Sarcolemma
• The muscle cell cytoplasm

  Sarcoplasm
• It is the ability of a cell to receive and respond to a stimulus by changing its membrane potential, it is usually a chemical, and also termed responsiveness

  Excitability
• It is the ability to shorten forcibly when adequately stimulated, this sets muscle apart from all other tissue types

  Contractility
• It is the ability to extend or stretch, in which muscles shorten when contracting, but they can be stretched even beyond their resting length, when relaxed

  Extensibility
• It is the ability of a muscle cell to recoil and resume its resting length after stretching

  Elasticity
• It is called as the voluntary muscle because it is the only type of subject to conscious control and it is responsible for the overall body mobility

  Skeletal Muscle
• It contracts at a fairly steady rate by the heart's pacemaker, but neutral controls allows the heart to speed up for brief periods

  Cardiac muscle
• Its role is to force fluids and other substances through internal body channels, and It also forms valves to regulate the passage of substances through internal body openings

  Smooth muscle