Systemic circulation is a process through which oxygenated blood is pumped throughout the body of a living organism by the left-side of a mammalian heart.
Cardiac cycle can be defined as a complete heartbeat of the mammalian heart, which typically comprises sequential alternating contraction and relaxation of both the atria and ventricles, therefore causing oxygen-rich blood to flow unidirectionally (in one direction) throughout the human body.
Systemic circulation is a process that is responsible for the transportation of oxygen-rich blood from the left-side of the mammalian heart throughout the body of a living organism.
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