Question

Explain the process of transport of oxygenated and deoxygenated blood in a human body.

Answer 1

The systemic and pulmonary circulatory systems are components of the human circulatory system. Deoxygenated blood travels to the lungs via the pulmonary artery after leaving the heart's right ventricle in the pulmonary circulation system. The pulmonary artery transports blood to the capillaries, where carbon dioxide diffuses out of the blood and into the alveoli (lung cells), then into the lungs, where it is expelled. Oxygen diffuses into the alveoli at the same moment, enters the bloodstream, and then travels back down the pulmonary vein to the left atrium of the heart.

The portion of the circulatory system that exits the heart, transports oxygenated blood to the body's cells, and then returns is referred to as the systemic circulation. the heart receiving deoxygenated blood. The largest artery in the body, the aorta, receives blood that exits the left ventricle. All of the body's organs receive blood from smaller arteries that branch off from the aorta. Finally, these arteries branch into capillaries, Waste and carbon dioxide diffuse out of cells and into blood in the capillaries, while oxygen diffuses from the blood into the cells. Deoxygenated blood from capillaries travels into venules, which eventually become veins, and is subsequently carried back to the heart. These veins combine to form the superior vena cava and inferior vena cava, two important veins. The superior vena cava allows the deoxygenated blood to enter the right atrium.