Choose the wrong statement about differences and similaries between the muscles
   
      A:cells are electrically dependent in cardiac and smooth but isn't in skeletal muscle

      B:Autonomic nervous system affect only a cardiac and smooth muscle
     
      C: calcium needed for cardiac and smooth muscle contraction is supplied from the sacroplamic
           recticulum and extracellular fluid

      D: Absolute and relative refractory period are equal in cardiac and smooth muscle
     
     E: Hormone like catecholamine affect only cardiac and smooth muscle     

congrats  you get it right. though I thought everybody forget about it. but thanks.