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A healthy heart functions through a coordinated cycle of contraction and relaxation known as the cardiac cycle, which consists of two main phases: systole and diastole. During systole, the heart muscles contract to pump blood out of the chambers—ventricles eject blood into the aorta and pulmonary arteries. In diastole, the heart relaxes, allowing the chambers to fill with blood from the atria and veins. This rhythmic sequence ensures efficient circulation, delivering oxygen and nutrients throughout the body while facilitating the removal of waste products.
What else can I help you with?
Function of the crdiaac tissues?
Cardiac tissue is the heart muscle and its function is to pump blood between the heart-lungs cycle and the heart-body cycle.
What is a complete cycle of a heart contraction and relaxation called?
Cardiac cycle, which is made up of atrial and ventricular systole and diastole.
What is the function of the cardiac muscle?
Function: -contraction of the atria and ventricle of the heart, causes beating of heart
What do you call the circulation of the heart to the lungs and back to the heart?
cardiac cycle
What is a graph illustrating the pressure and volume changes during one heartbeat called?
That graph is known as a pressure-volume loop. It is used in cardiology to assess cardiac function and to visualize the changes in pressure and volume within the heart during one cardiac cycle.
What is the function of the auricles of the heart in regulating blood flow and cardiac function?
The auricles of the heart help to increase the volume of blood that the heart can hold and pump, which improves the efficiency of blood flow and cardiac function.
How does the heart contract or relax?
The heart contracts and relaxes during a cardiac cycle.
What is the sudden stop of heart function?
The sudden stop of heart function is called cardiac arrest.
What is the name given to contraction phase of the cardiac cycle?
The contraction phase of the cardiac cycle is called systole. This is when the heart muscle contracts to pump blood out of the heart and into the circulatory system.
How does the structure of cardiac myocytes and intercalated discs follow the function of cardiac muscle tissue and the heart?
The structure of the heart is very complex. Cardiac myocytes and intercalated discs follow the function of cardiac muscle tissue and the heart make up part of this very complex system
Each complete heart beat is called what?
cardiac cycle
As heart increases what would happen to cardiac cycle?
it repeats
