Examlex
Physical and mental health are unrelated.
Arteriole
A small artery that leads into capillaries, controlling blood flow and pressure by the contraction and relaxation of its muscular wall.
Venule
Small blood vessels that allow deoxygenated blood to return from capillary beds to larger blood vessels called veins.
Arteries
Blood vessels that carry oxygen-rich blood away from the heart to the body.
Veins
Blood vessels that carry blood towards the heart, often containing valves to prevent backflow.
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