An important difference between single -unit and multiunit smooth muscle is the
A) ability of single-unit fibers to change into multiunit fibers when advantageous.
B) closely controlled individual fibers in single -unit smooth muscle to allow fine control and graded contractions by selective activation.
C) longer actin and myosin filaments in multiunit smooth muscle, which allow coordination of contraction.
D) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
D) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
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Answer the following statement true (T) or false (F)
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