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1 Cards in this Set

  • Front
  • Back
Which of the following structures is most necessary for the proper function of cardiac muscle?

(a) tight junction
(b) desmosome
(c) gap junction
(d) centriole
Answer: C

Explanation: Gap junctions allow for small molecules and ions to move between connected cells. These junctions are vital for the function of cardiac tissues which rely on the spreading of action potentials between cells through the movement of ions between cells.