The smallest blood vessels of the body = capillaries
Capillaries - Apex Cheater /Thugs
the old lady in the hut
Blood vessels are surrounded by smooth muscle. This is often known as visceral muscle. This type of muscle also lines the blood vessels and internal organs.
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the type of blood vessels which flow contaminated blood to the heart are known as VEINS
The smooth muscle type is associated with blood vessels. This muscle type is involuntary.
Canary blod vessels
Re-oxygenated blood on the outward bound leg of its trip
Veins.
vein
vein
A hemangioma is actually a type of tumor that lines the blood vessels. It is basically an increased number of vessels that are filled with blood.