This structure is unique to cardiac muscle cells, and allows individual cells to be firmly attached to each other (to provide mechanical strength during contraction), and also allow the action potential to spread rapidly through the cardiac muscle tissue, so that contractions are smooth and coordinated. This is:.
a) desmosomes
b) gap junctions
c) intercalated discs
d) Z discs
e) sarcomeres
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This structure is unique to cardiac muscle cells, and allows individual cells to be firmly attached...
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