semi-lunar valves which consist of two leaflets
Source: Holes's Human A&P, 12th ed., p 579
Veins close to the surface typically refer to superficial veins that are visible through the skin. They serve to carry deoxygenated blood back to the heart. These veins are more prone to damage and may be used for medical procedures like blood draws or IV placements.
Veins take blood back to the heart.
Veins have valves in them which help transport the blood.
Veins
veins
VEINS ~ It's Arteries OUT and Veins BACK
Veins are blood vessels that carry blood from all parts of the body back to the heart.
Veins
Veins carry deoxygenated blood back the heart.
Veins carry the blood back after it delivered the oxygen.
Veins carry the blood to the heart to get oxygen back in it, while arteries carry the blood away from the heart.
Veins