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DIFFERENCE BETWEEN PULMONARY AND SYSTEMIC CIRCULATION

 

Pulmonary Circulation

Systemic Circulation

Meaning

It is the ½ part of CVS. It contains or carries the deoxygenated blood away from the heart to the lungs, and there by it brings the oxygen containing blood from lungs to the heart.

It is the type of circulation, which carries the oxygenated blood from the heart to the body, and also brings back the deoxygenated blood from the body to the heart.

Founder

Ibn al-Nafis

William Harvey

Role

 

It carries deoxygenated blood from the heat to the lungs and the oxygenated blood to the heart from the lungs.

It carries oxygenated blood to the body and brings deoxygenated blood from the body to the heart.

Route

 

In this circulation the deoxygenated blood goes out of the heart, and reaches the lungs and then again enters the heart. Then the deoxygenated blood leaves via right ventricle through the pulmonary artery to the capillaries, there by diffusing the carbon dioxide out of blood cell in the alveoli. And in return diffusing out the oxygen of the alveoli in to the blood. Then the blood enters the heart there by leaving the capillaries and re-entering the left atrium.

In this circulation the blood leaves the left ventricles and enters the aorta. From here the blood is sent to the smaller arteries and the arterioles, and then finally to the capillaries. The oxygen is then comes in the blood in replacement of the waste and carbon dioxide. The blood to the veins then carries the waste away or we can say to the venious capillaries, and then the inferior vena cava and the superior vena cava, thus entering of the blood to the heart at the right atrium.

Location of the heart

Heart’s right side

Heart’s left side

 

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Pulmonary circulation-

It is the movement of blood from heart to lungs and back to heart again.

It is one phase of the overall circulatory system.

Systemic circulation

It is a process in which oxygenated blood is carried from the heart to all parts of the body and deoxygenated blood is carried from all the body parts back to the heart.

It is the major part of the overall circulatory system.

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