what is double ciculation
Krishna922:
of blood
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In the human heart, blood passes through the heart twice in one cardiac cycle.This type of circulation is called double circulation. Double circulation ensures complete segregation of oxygenated and deoxygenated blood which is necessary for optimum energy production in warm-blooded animals.
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Oxygenated and deoxygenated blood received by left and right atria passes on to ventricles of same side. The ventricles pump it out without any mixing up i.e., two separate circulatory pathways present in double circulation
I want pulmonary and sytematic ciculation
pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide. The oxygenated blood then flows back to the heart. Systemic circulation moves blood between the heart and the rest of the body. It sends oxygenated blood out to cells and returns deoxygenated blood to the heart.
the heart pumps oxygenated blood out of the left ventricle and into the aorta to begin systemic circulation. After the blood has supplied cells throughout the body with oxygen and nutrients, it returns deoxygenated blood to the right atrium of the heart.
... The deoxygenated blood shoots down from the right atrium to the right ventricle. The heart then pumps it out of the right ventricle and into the pulmonary arteries to begin pulmonary circulation. The blood moves to the lungs, exchanges carbon dioxide for oxygen, and returns to the left atrium. The oxygenated blood shoots from the left atrium to the left ventricle below, to begin systemic circulation again.
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