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Blood that contains hemoglobin (such as in humans and other vertebrates) is always red. The reason veins appear to be blue is due to the lack of oxygen. If you hold your hand up to a light source, your hand will glow red because of the blood being red.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agook so your heart is split up into two parts the right and left the right side has poor blood so it is blue and is in your veins the left side is rich blood so it is red and is in your arteries i hope this helped you i just talked bout this in science class.
Wiki User
∙ 15y agoHuman blood is always red due to the presence of iron in red blood cells. Crustaceans have blue blood as their blood is copper-based.
Wiki User
∙ 12y agoYes it is.
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What color is your blood with no oxygen?
RED. Blood is always red.
Are red blood cells always red?
No
Why is always blood red?
not always mammals have red bugs have green orange and yellow
How do you know that the blood in the arteries is oxygen-rich?
oxygen rich blood is red, while oxygen poor blood is blue. this is the reason that blood in your arteries are always red, and blood in your veins are always blue.
Is there a white blood in first month of pregnancy?
There is absolutely no such thing as white blood. Blood is red, always has been, always will be.
What color is blood when it comes into contact with oxygen?
Blood is always red.
Before blood gets to the lungs what color is it?
Blood is always red.
Does blood turn red when it touches air?
Blood is always red when it's inside your system. Unoxygenated blood is a darker red while oxygenated blood is brighter, but it is never blue.
Is blood really blue?
No, the blood is always red. The term,' blue blood' is given to noble people.
If an astronaut died in space in a crash of some kind and he was bleeding would his blood be blue or red?
the blood is always red . The red colour of the blood is caused by an iron compound hemoglobin. neither in earth nor in space hemoglobin could suddenly turn blue so the blood of the bleeding astronaut will always be red
Who has blue blood?
Blood is always red. The shades of red; however, differ according to the amount of oxygen being carried. Deoxygenated blood is not blue only a darker shade of red.
Is the color red really the color of blood?
By most mammals it's red. The blue color of the veins can be explained by the fact that you see your veins through your skin, your skin works like a sort of color filter, but the blood is always red
