Question

DESCRIBE SYSTEMIC CIRCULATION OF BLOOD.

Answer 1

Answer:

The systemic circulation provides the functional blood supply to all body tissue. It carries oxygen and nutrients to the cells and picks up carbon dioxide and waste products. Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body

Answer 2

Answer:

Systemic circulation

Systemic circulation carries oxygenated blood from the left ventricles to the tissue capillaries.

• Systemic circulation carries oxygenated blood from the left ventricles to the tissue capillaries.The oxygen-rich blood is transferred to the aorta for circulating into various parts of the body.
• Systemic circulation carries oxygenated blood from the left ventricles to the tissue capillaries.The oxygen-rich blood is transferred to the aorta for circulating into various parts of the body.Later, the veins and venules collect the deoxygenated blood – which is rich in carbon dioxide from various parts of the body.
• deoxygenated blood – which is rich in carbon dioxide from various parts of the body.The deoxygenated blood is pumped back into the superior vena cava and then to the right atrium.
• deoxygenated blood – which is rich in carbon dioxide from various parts of the body.The deoxygenated blood is pumped back into the superior vena cava and then to the right atrium.Once, after receiving the deoxygenated blood, the right atrium carries blood to the right ventricle for pulmonary circulation.
• deoxygenated blood – which is rich in carbon dioxide from various parts of the body.The deoxygenated blood is pumped back into the superior vena cava and then to the right atrium.Once, after receiving the deoxygenated blood, the right atrium carries blood to the right ventricle for pulmonary circulation.Pulmonary circulation

In the pulmonary circulation, the blood circulation starts from the right atrium to the left atrium. In this pathway:

• In the pulmonary circulation, the blood circulation starts from the right atrium to the left atrium. In this pathway:The pulmonary artery collects the blood from the right ventricle and carries to lungs for oxygenation.
• In the pulmonary circulation, the blood circulation starts from the right atrium to the left atrium. In this pathway:The pulmonary artery collects the blood from the right ventricle and carries to lungs for oxygenation.Once, after the purification process, the oxygenated blood is pumped back to the left atrium through the pulmonary vein which is carried to the left ventricles.
• In the pulmonary circulation, the blood circulation starts from the right atrium to the left atrium. In this pathway:The pulmonary artery collects the blood from the right ventricle and carries to lungs for oxygenation.Once, after the purification process, the oxygenated blood is pumped back to the left atrium through the pulmonary vein which is carried to the left ventricles.The left ventricles pump the oxygenated blood to the aorta for systemic circulation.

Double circulation supports a strict separation of both oxygenated and deoxygenated blood. Therefore, this circulation ensures that the body always has a dedicated supply of oxygen and also, it improves body efficiency. This is also one of the reasons why mammals can maintain their body temperatures. Apart from the double circulation, a third portal system also exists to improve circulation efficiency.

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