What is double blood circulation?

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Answer

Double circulation.... The human circulatorysystem is a double circulatory system. It has two separate circuits and blood passes through the heart twice: ... the systemic circuit is between the heart ..and the other organs.
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The blood circulates twice through the heart in a single circulation cycle....it is known as double blood circulation.

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ur answer is --->

Double blood circulation ==>In the human heart blood passes through the heart twice in one cardiac cycle. this type of circulation is known as double circulation. This type of circulation occurs in human beings with four chambered heart.

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Answer

The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.

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The heart receives deoxygenated blood from different parts of the body, and it pumps this blood to the lungs. The oxygenated blood from the lungs returns to the heart, which is pumped again into different parts of the body by the heart. Thus, the blood passes twice through the heart making one complete round through the body. This is called double circulation.

Answer

**Double Blood Circulation**

Double blood circulation refers to the circulation of blood through two separate circuits in the body, namely the pulmonary circulation and systemic circulation. This efficient system of circulation allows for the transportation of oxygenated blood from the heart to the body tissues and deoxygenated blood from the body tissues back to the heart.

**Pulmonary Circulation:**

The pulmonary circulation is responsible for the circulation of blood between the heart and the lungs. It begins when deoxygenated blood from the body enters the right atrium of the heart through the superior and inferior vena cava. From the right atrium, the blood moves into the right ventricle, which then contracts, pumping the blood into the pulmonary artery. The pulmonary artery carries deoxygenated blood to the lungs.

In the lungs, the pulmonary artery branches into smaller blood vessels called capillaries, which surround the alveoli, the functional units of the lungs. Here, the exchange of gases takes place. Carbon dioxide diffuses from the capillaries into the alveoli, while oxygen moves from the alveoli into the capillaries. This oxygenation of blood transforms the deoxygenated blood into oxygenated blood.

**Systemic Circulation:**

The systemic circulation is responsible for the circulation of oxygenated blood from the heart to the body tissues and the return of deoxygenated blood from the body tissues back to the heart. After oxygenating in the lungs, the blood returns to the heart through the pulmonary veins and enters the left atrium. From the left atrium, the blood moves into the left ventricle, which then contracts, pumping the blood into the aorta.

The aorta is the largest artery in the body and it branches out into smaller arteries, which further branch into arterioles and then into capillaries. The oxygenated blood is delivered to the body tissues through these capillaries. In the capillaries, oxygen and nutrients are exchanged with the surrounding tissues, while waste products like carbon dioxide are picked up.

After the exchange in the capillaries, the deoxygenated blood travels through venules, which merge to form veins. The veins carry the deoxygenated blood back to the heart, specifically to the right atrium, where the double circulation process begins again.

This double circulation system ensures that blood is efficiently transported to the lungs for oxygenation and then distributed throughout the body to supply oxygen and nutrients to the tissues. It allows for the separation of oxygenated and deoxygenated blood, enabling the body to meet its metabolic demands effectively.

Answer

The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.

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During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

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