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Blood is transported throughout the body through both arteries and veins, but a significant difference between the two is the presence of valves in veins. Some people develop chronic venous disease (CVD), which initially causes higher venous blood pressure and vein dilation, resulting in weakened vein valves. What do you predict would happen as the valve damage progresses?

Sagot :

The veins would soon start to inflate/deflate and this would inevitable leed to them breaking. This would cause spontaneous bruises.

Answer:

The blood would get leak backwards via the damaged valves because of gravity, resulting in swelling.

Explanation:

The heart of a human being comprises four chambers, that is, the two ventricles and two atria. The valves assist in the unidirectional flow of blood towards the lower chambers from the upper chambers, the main function of the valves is to prevent the backflow of blood. Thus, on the basis of the question, it is evident that if the valves get destructed, then leaking of the blood takes place, that is, the blood may leak in the backward direction usually because of gravity, leading to swelling of the body part due to the accumulation of the blood.

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