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arterial
blue
blood is never blue but arterial blood lacking oxygen is darker... venous blood is dark red arterial blood is bright red capillary blood is brick red
No, it is a myth. Venal blood is darker red than arterial blood. Veins appear blue, but do not accurately represent the colour of the contents.
It is the color BLUE.
It is the color BLUE.
We say we are drawing from the "art" port, but often, it is not arterial blood that is drawn. Unless the person has a dialysis access in their arm, the blood drawn from ports on their chest is actually venous blood. However, for the sake of ease, we label and color the machine lines with red and blue and refer to the lines as the arterial line and the venous line.
Because they carry veinous blood.
The color blue is to symbolize that DEoxygenated blood runs through them.
Because they are also carrying oxygenpoor blood.
Typically Hermit crab blood is blue, but at times it can be clear.
Poorly oxygenated blood is darker - which is why venous blood tends to be dark while arterial blood is more bright red. If you are not getting enough oxygen you will certainly be short of energy.