: an exaggerated reaction to the male-oriented ''shoot-'em-up games''. noun. A movie or TV program with much gunplay and violence: gambled for cigarettes, slurped Tang or watched shoot-'emups on TV (1953+)
Circulatory system. The human circulatory system (simplified). Red indicates oxygenated blood carried in arteries, blue indicates deoxygenated blood carried in veins. Capillaries, which join the arteries and veins, and the lymphatic vessels are not shown.
Itâs a dark red when it is not carrying a lot of oxygen. It is a brighter red when it is full of oxygen. What we see when we look at our veins depends on things like our skin color. The vein is made of connective tissue that is bluish white.