Put the steps of the cardiac cycle into the correct order, starting with the beginning of the cardiac cycle. isovolumetric contraction ventricular ejection atrial contraction and ventricular filling isovolumetric relaxation atrial relaxation and ventricular filling

Question

Aditya Bryant

Biology

23 September, 20:05

Put the steps of the cardiac cycle into the correct order, starting with the beginning of the cardiac cycle. isovolumetric contraction ventricular ejection atrial contraction and ventricular filling isovolumetric relaxation atrial relaxation and ventricular filling

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Seamus Daniels · Answer 1

The correct order of the cardiac cycle is:

1. Isovolumetric contraction.

2. Ventricular ejection.

3. Isovolumetric relaxation.

4. Atrial relaxation and ventricular filling (passive mechanism).

5. Atrial contraction and ventricular filling (active mechanism).