What's red blood and blue blood?
What's red blood and blue blood? All blood is red. Hemoglobin, an iron-rich protein in red blood cells, mixes with oxygen to give blood its red color. Blood that’s rich in oxygen is known as red blood. Your modes carry oxygen-poor blood. This is occasionally called blue blood because your modes can look blue underneath the skin. The blood is actually red, but the low oxygen situations give modes a bluish tinge. Do highways always carry oxygenated blood? For the utmost part, yes. The exceptions are pulmonary highways and modes. Pulmonary highways carry deoxygenated blood to the lungs. Pulmonary modes return the oxygenated blood to the heart. Note Your circulatory system plays a critical part in keeping you alive. Blood vessels carry blood to the lungs for oxygen. also your heart pumps oxygen-rich blood through highways to the rest of the...