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Due to the lack of oxygen in the blood, the face turns black instead of its healthy red color when the blood is flowing
The gills of a healthy fish are bright red; this is because blood is flowing through them.
because they have copper in their blood instead of iron.
The cast of Flowing with Color - 2013 includes: Judith Wilde as Her Self
Red blood cells contain hemoglobin, which is a pigment that contains iron and helps transport oxygen--and gives blood its red color.
His skin is light green in color. As is his blood, because it is copper based, instead of iron based, which is why humans blood is red.
They do not even have blood to pump in the first place. Instead of blood, they use sea water to pump nutrients throughout their body. So the answer to your question would be the color of seawater, which varies depending on its constituents.
sometimes the compound also contains Sulphur alongwith Nitrogen.
Doppler scan is a special scan which uses black and white or color images to examine the blood flowing through the umbilical cord between the placenta and the baby,
I think you are talking about a Doppler ultrasound. The direction of blood flow is assigned the color red and blue, basically it indicates that the blood is flowing toward or away from the ultrasound transducer, respectively.
When excited by electric current flowing in it.
The lungs could be gray or have black spots.