The specialized pacemaker cells contain contractile filaments.
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Q1: The term threshold refers to the point
Q2: During the absolute refractory period the cardiac
Q4: An ion with a positive charge is
Q5: A decrease in calcium blood levels is
Q6: During the polarized or resting state,the inside
Q7: An ion with a negative charge is
Q8: The cation that is extracellular is:
A) magnesium.
B)
Q9: An increase in potassium levels is known
Q10: Cells responsible for generating the physical contraction
Q11: All of the following cations affect cardiac
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