types of tissue / muscle

• what are the 3 types of muscle cells?

  Skeletal, cardiac, smooth.
• where is the skeletal muscle found

  in the bones
• where is the cardiac muscle found 


  in the heart
• where is the smooth muscle found

  in the walls of blood vessels
• what are myofibrils?


  bundles of protein filiments that produce muscle contraction and reflaxation
• why would having individual muscle cells joined end to end not be ideal?


  less smooth movements
• what is a sarcoplasm?

  long stands of muscle cells sharing a cytoplasm and nucleus
• what are the names of the thick and thin protein filaments?

  actin (thin) myosin ( thick )