Zusammenfassung der Ressource
Cardiac Cycle
- 1
- Atrial Systole
- Atria contract
- Ventricles are relaxed
- Atrioventricular valves are open
- Semi-lunar valves are closed
- Increased pressure, reduced volume.
- 2
- Ventricular Systole
- Ventricals contract
- Atria releax
- Atrioventricular valves closed
- Semi-lunar valves open
- Increased pressure in
ventricles
- 3
- Ventricular Diastole
- Atria relaxed
- Ventricles relaxed
- Atria start to refill with blood