Heart muscle differs from skeletal muscle tissue by being able to generate:
A) Contractions
B) Calcium influx
C) Action potentials
D) Sarcomere binding
Ans: C
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Heart muscle, or the myocardium, is unique among other muscles in that it is capable of generating and rapidly conducting its own electrical impulses or action potentials. These action potentials result in excitation of muscle fibers throughout the myocardium. Similarities to skeletal muscle include contractility, calcium influx, and actin–myosin (sarcomeres) binding.
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