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

Biology

Amelia Brock

27 April, 21:13

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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Ahmed Ewing · 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).