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The blood vessels decay
Blood vessels vasconstrict
The aorta, arteries, and the veins.
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Some weakened blood vessels will swell or worse they can break. If the break happens in the brain a type of stroke can occur.
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.
you get goosebumps.
The size of blood vessels varies enormously, from a diameter of about 25 mm (1 inch) in the aorta to only 8 μm in the capillaries.
The blood goes to all of the body parts.
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.