Comparison of Multiunit and Unitary Smooth Muscle.
a) Multiunit: Consists of single-unit smooth muscle cells, Unitary: Consists of multiple-unit smooth muscle cells.
b) Multiunit: Consists of multiple-unit smooth muscle cells, Unitary: Consists of single-unit smooth muscle cells.
c) Both consist of single-unit smooth muscle cells.
d) Both consist of multiple-unit smooth muscle cells.