: 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.
Confidence votes 27.6K. Bright red blood is a sign of highly oxygenated blood. Pain, fast pulse rate and rapid respirations are generally the cause. Bright red blood is also a sign that an artery has been severed. Blood is red because it contains a chromophore (colored compound) called heme.