blood articles
What is the fundamental color of human blood when exposed to the near-perfect void of space?
Which protein pigment is responsible for the characteristic red hue of human blood?
What color is deoxygenated (venous) blood typically described as when observed in a vacuum environment?
What causes veins on the skin to often appear blue when viewed through the body?
What specific optical effect, which requires a medium like skin, is eliminated in a vacuum, causing the blue vein illusion to disappear?
What rapid physical process occurs to the water content in blood when exposed to the lack of external pressure in a vacuum?
How does the oxygen saturation of arterial blood change almost immediately upon exposure to an oxygen-depleted vacuum environment?
What color is the resulting dried residue of blood likely to present as after rapid desiccation in space?
If a theoretical creature used copper-based respiratory pigments like hemocyanin, what color would its oxygenated blood exhibit?