Some weakened blood vessels will swell or worse they can break. If the break happens in the brain a type of stroke can occur.
The blood vessels decay
Blood vessels vasconstrict
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When blood is pumped into the thin-walled blood vessels of the lungs, carbon dioxide is replaced with oxygen.
When blood is pumped into the thin-walled blood vessels of the lungs, carbon dioxide is replaced with oxygen.
When blood is pumped into the thin-walled blood vessels of the lungs, carbon dioxide is replaced with oxygen.
If blood pressure is too low, some of the cells will not get oxygen and other materials. If blood pressure is too high, the force may weaken the blood vessels and require the heart to work harder to push blood through the blood vessels
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The size of blood vessels varies enormously, from a diameter of about 25 mm (1 inch) in the aorta to only 8 Ξm in the capillaries.
The blood goes to all of the body parts.
Vascular diseases are usually caused by conditions that clog or weaken blood vessels, or damage valves that control the flow of blood in and out of the veins, thus robbing them of vital blood nutrients and oxygen.
Angiogenesis is the growth of new blood vessels from blood vessels that already exist. Angiogenesis happens in normal growth and helps aid in the healing of injuries or wounds.