: 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.
Arteries are red, because they are carrying oxygenated blood to the various parts of your body. Now, if you were holding your breath, and floating in space with no space suit, and THEN cut yourself, it could possibly turn blue quickly after exiting your body, but it would still come out red to begin with.ince it has something to do with oxygen entering the blood so it turns red, but if your in outter space wouldn't it stay blue. Add your answer. Source. Submit Cancel.