In a cardiac cycle, ___ is the relaxed period (filling the heart with blood) and ___ is the contraction phase (pumping blood out of the heart)

In a cardiac cycle, ___ is the relaxed period (filling the heart with blood) and ___ is the contraction phase (pumping blood out of the heart)

In a cardiac cycle, diastole is the relaxed period (filling the heart with blood) and systole is the contraction phase (pumping blood out of the heart).