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There is the contraction of the atria and the contraction of the ventricles. When the atria contract, the AV valves are open, allowing the blood to fall into the ventricles. The AV valves then close, and the ventricles contract, pumping the blood out into the arteries.
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What are the main 2 phases of the cell cycle?
The two phases of the Cell Cycle are:InterphaseMitosis
Two main phases of cell cycles?
The two main phases of cell cycles are the interphase and the mitotic phase.
What are the phases of respiration?
Respiration occurs in two phases: anaerobic, which does not require oxygen, and aerobic which does require oxygen.
The earth experiences spring tides at which two phases of the moon?
Full Moon and New Moon phases.
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What are the phases of the human heartbeat called this is a medical question?
The human heartbeat has two phases. The systolic phase corresponds with contraction, and the diastolic phase with relaxation.
Define the two phases of the heartbeat?
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What is two main phases of the cell cycle?
The two main phases of a cell cycle are interphase and mitosis.
What are the two main stages of meiosis?
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What are the main 2 phases of the cell cycle?
The two phases of the Cell Cycle are:InterphaseMitosis
Two main phases of cell cycles?
The two main phases of cell cycles are the interphase and the mitotic phase.
What are the two main phases of the action of the heart?
the pumping and the not pumping? diastollic and systollic?
What are the two main features of the moon?
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contraction and expansion.
What are the main phases of sleep in humans?
The two main phases of a persons sleep, is REM sleep, Rapid Eye Movement, which is when you dream, and just a normal deep sleep. This happens every 90 minutes.
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The decision to run for office and Winning delegates.
What are the two main phases of the cell cycle?
The two main phases of the cell cycle are; mitotic phase, in which the cell divides into two, and inter phase, where the cell grows.
