Inside your body, blood is blue. Therefore your arteries and veins appear blue through the skin. Your blood turns red outside of the body because oxygen gets into the blood. The oxygen changes your blood's color from blue to red.
The only artery that is blue -- in humans as well as rats -- is the pulmonary artery, the artery that sends oxygen-depleted blood from the heart to the lungs to be refreshed.
the color is blue
Red is oxygen (artery); blue is waste (vein).
It carries deoxygenated blood which is depicted blue to differentiate it from oxygenated blood which is a brighter red.
The vena cava is purple while the pulmonary artery is blue/green. hope this helps!
A blood seems blue in veins because when a blood is in veins they are low in oxygen and therefore look blue. When they get oxygenated, they become red and are carried by the artery.
All arteries (the red blood vessels) carry oxygenated blood. it's the viens (the blue blood vessels) that don't carry oxygenated blood. However the Pulmonary artery carries Deoxygenated blood to the lungs to be reoxygenated, as it carries blood away from the heart it is called a Artery.
Although it is an arguable topic whether blood is ever truly blue at one point or not, we'll just go along with the common lesson that "blue blood" is blood that is not oxygen-rich. This blue blood is carried in the pulmonary artery, where it is taken to the lungs in order to obtain oxygen, where it is then sent back to the heart, then sent to the rest of the body.
Pulmonary artery carries deoxygenated blood and appears blue, while pulmonary vein carries oxygenated blood and appears red.
It is not exactly blue it is a very very deep red, and that blood is in all your veins except for pulmonary vein and it is also in your pulmonary artery
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The axillary artery is a major artery of the upper limb. It continues from the subclavian artery.