Generally, an increase in extracellular Ca2+ ions causes __________ force of contraction, and __________ heart rate.

Generally, an increase in extracellular Ca2+ ions causes __________ force of contraction, and __________ heart rate.

12:50

Generally, an increase in extracellular Ca2+ ions causes __________ force of contraction, and __________ heart rate.



a. decreased, decreased
b. decreased, increased
c. increased, decreased
d. increased, increased





Answer: C


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