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Blood is red because it contains red blood cells.

Venous blood

en.wikipedia.org/wiki/Venous_blood

Human blood is red, ranging from bright red when oxygenated to dark red when not. It owes its color to hemoglobin, to which oxygen binds. Deoxygenated blood  ...

We want to know is blood blue or red? It looks ... - UCSB Science Line

scienceline.ucsb.edu/getkey.php?key=2927

This blood is bright red. It also spurts out in pulses instead of oozing like the blood from veins. So even outside the body, blood can be different colors. (What's  ...

What color is our blood inside of our bodies? - UCSB Science Line

scienceline.ucsb.edu/getkey.php?key=3964

The myth is that... that blood is red when it is filled with oxygen and blue when it ... If you want to know more, try this on for size... the red color of our blood is red ...

Is blood ever blue and why does it appear blue in veins near the ...

www.askabiologist.org.uk/answers/viewtopic.php?id=2043

I recently had a discussion in my biology class on what color blood is.Most of my class, including my biology teacher, were saying that blood is ...

Is Blood Ever Blue? Science Teachers Want to Know! – Greg ...

scienceblogs.com/gregladen/2008/02/11/is-blood-ever-blue-science-tea/

Feb 11, 2008 ... The physical issue is about color. Is “purple” a kind of red, or is it a kind of blue? Beyond that, is blood that is “dark red” or “purple” really purple?

www.ask.com/youtube?q=What Color Is Blood?&v=18--LFIs-FM
Nov 12, 2013 ... And is everyone's blood always the same color red (spoiler: no)? .... What in oxygen would change the blood from red to blue? I'm not sure, but ...

Why Are Veins Blue? – The Scientific Activist - ScienceBlogs

scienceblogs.com/scientificactivist/2008/04/17/why-are-veins-blue/

Apr 17, 2008 ... The bright red color of arterial blood stems from a complex that's formed between hemoglobin, iron, and molecular oxygen. This complex ...

If Blood Is Red, Why Do Veins Look Blue? | Mental Floss

mentalfloss.com/article/24249/if-blood-red-why-do-veins-look-blue

Mar 19, 2010 ... If blood isn't blue, and veins and arteries aren't actually blue, why do our veins look blue through our .... White color is the reflection of all colors.

Why Blood Looks Blue Inside Your Veins - Io9

io9.com/5889229/why-blood-inside-veins-appears-blue

Mar 1, 2012 ... If a blood vessel is on the surface of the skin, it absorbs all the blue light it gets ( as well as most of the shades of red light and other colors) and ...

Popular Q&A
Q: What color is blood?
A: Most definitely red, not blue as most think. Its blue you frekin idiot. Blood is NEVER blue. Since venous blood is oxygen-poor blood, it is not as bright red... Read More »
Source: wiki.answers.com
Q: What color is blood ?
A: The color of blood is red. Hemoglobin is the principal determinant of the color of vertebrates' blood. Read More »
Source: www.kgbanswers.com
Q: What color is blood?
A: Answer In humans and other hemoglobin-using creatures, oxygenated blood is bright red. This is due to oxygenated iron in the red blood cells. Deoxygenated blood... Read More »
Source: wiki.answers.com
Q: What color is blood?
A: Blood is many different shades of red. Many people believe it is blue in the body, but that is no... Read More »
Source: www.chacha.com
Q: What color is blood?
A: Some say it is blue inside your body and once it hits air, then it becomes red. Others say that it is red inside your body b/c when taking blood, no oxygen is i... Read More »
Source: answers.yahoo.com