Blood - Wikipedia, the free encyclopedia
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Blood is a specialized bodily fluid that delivers necessary substances to the body's cells — such as nutrients and oxygen — and transports waste products away from those same cells. In vertebrates, i...
en.wikipedia.org/wiki/Blood
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have you ever had your blood drawn, or donated blood? the blood that is in the vial or bag is deoxygenated blood. it is a dark red, almost purple color. our veins are actually a purplish red in color, but they just look blue through layers...
http://answers.yahoo.com/question/index?qid=20060803013...
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No deoxygenated blood is dark red and oxygenated blood is lightish red.
http://wiki.answers.com/Q/Is_deoxygenated_blood_blue
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Question: A sixth grade class wants to know if, in the human body, blood is ever blue. Reskin School, Glendale Heights, IL Answer 1: Sure, close to it. It's a very dark bluish red in the veins. Just look at your arm veins.
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www.newton.dep.anl.gov/askasci/bio99/bio99312.htm
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Oxygenated blood is red. Deoxygenated blood is a darker red. Blood in the veins is deoxygenated. Veins appear blue in some people but this is because of the veins themselves and the skin. In case you'd say that when you bleed that blood is ...
http://uk.answers.yahoo.com/question/index?qid=20081202...
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First thing: Blood is *never* blue. Blood is described as dark red (venous) or bright red (arterial). Our veins look blue because we are looking at them *through* our skin. The blood inside them is dark red and it doesn't reflect light very well.
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www.globalclassroom.org/blublud.html
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There's a lot of vein wall blue that gets >hidden by tissues rich in red blood. As explained above, I still believe totally deoxygenated blood is blue. Empty veins are white. Extravasated venous blood (bruises) is blue too, not being seen through vein walls.
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yarchive.net/med/blood_color.html
yarchive.net/med/blood_color.html
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Deoxygenated blood looks blue because you're seeing it through your skin."A vein looks blue because red light travels far enough into the skin to be absorbed by the blood in the vein.
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www.msu.edu/user/kalinkat/professionalpages/TechMatrixM...
www.msu.edu/user/kalinkat/professionalpages/TechMatrixMaterials/documentarybloodmisconceptions.htm
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Oxygenated blood appears red and deoxygenated blood appears blue through the skin (in veins). Your text book uses red to denote hemoglobin bound to oxygen and blue to denote hemoglobin not bound to oxygen.
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www.hartnell.edu/faculty/asteinhardt/mywebs/Circulatory...
www.hartnell.edu/faculty/asteinhardt/mywebs/Circulatory%20and%20Respiratory.htm
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