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- Definition The cardiac cycle is the series of contractions in the heart that pressurize different chambers, causing blood to flood in one direction. There are two stages during the cardiac cycle. During diastole, the ventricles relax and fill with blood. The muscles contract during systole, pushing blood through the arteries.
biologydictionary.net/cardiac-cycle/Cardiac Cycle - Definition, Phases and Quiz - Biology Dictionary
Feb 12, 2017 · The cardiac cycle is the series of contractions in the heart that pressurize different chambers, causing blood to flood in one direction. There are two stages during the cardiac cycle. During diastole, the ventricles relax and fill with blood.
- Gabe Buckley
Oct 30, 2023 · The cardiac cycle is defined as a sequence of alternating contraction and relaxation of the atria and ventricles in order to pump blood throughout the body. It starts at the beginning of one heartbeat and ends at the beginning of another.
- Content Manager
- 15 min
6 days ago · The meaning of CARDIAC CYCLE is the complete sequence of events in the heart from the beginning of one beat to the beginning of the following beat : a complete heartbeat including systole and diastole.
The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to the beginning of the next. [1] . It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, following a period of robust contraction and pumping of blood, called systole. [1] .
Oct 3, 2022 · The cardiac cycle is a series of pressure changes within the heart. These pressure changes result in blood movement through different chambers of the heart and the body as a whole. These pressure changes originate as conductive electrochemical changes within the myocardium that result in the concentric contraction of cardiac muscle.
- Joshua D. Pollock, Amgad N. Makaryus
- 2022/10/03
- 2019
The cardiac cycle comprises a complete relaxation and contraction of both the atria and ventricles, and lasts approximately 0.8 seconds. Beginning with all chambers in diastole, blood flows passively from the veins into the atria and past the atrioventricular valves into the ventricles.
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“Cardiac cycle refers to the sequence of events that take place when the heart beats.” What is Cardiac Cycle? The cardiac cycle attributes to a comprehensive heartbeat from its production to the commencement of the next beat. It comprises diastole, the systole, and the intervening pause.
