What colour is blood?

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Originally Posted by Ostinato

Excuse me. I would appreciate if you keep speak to me in a more civilised manner and treat me with the same respect as I do you.

I'm not saying that the colour of blood is a matter of opinion, but the only evidence anyone has actually posted here, is some links from Wikipedia etc. There has been no actual evidence that blood is red all the time, just quotes, so I suggest you get your facts right before trying to undermine me, sunshine.

What I was saying is, none of us who are posting here actually know what colour it is - we all have our own personal beliefs and opinions, and everyone should respect each other's as they do their own.

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Errrm, excuse me? Anyone home? I used to have blood tests weekly when I was six, I know precisely what colour it is. It is a dark red, slowly going into brown "/ You cannot exactly say you have any proof either, you keep posting "quotes etc" so you have no right to tell us what we are doing, and most the things I have said are common sense and things quoted from wikipedia etc ARE common sense. All you come out is with false belief as if you have made them up on the spot just to be different.

The whole process of blood is complex, I know you have to keep it warm and I have seen what happens in this machine which shakes the blood up in tubes. It also helps de-oxygenate them further, and it is deffinately a dark red, maybe hinted a bit purple, where youget this insane and silly idea of it being blue. Take it from someone who knows, not your brain which is making stuff up on the spot.

People only believe it to be blue because veins are blue, they haven't got the brains to figure out what is actually running through the veins. RED blood cells. Not BLUE blood cells. It is not a matter of opinion, it is a matter of fact "/ You strike me to be someone who will not admit he is wrong.

http://www.globalclassroom.org/blublud.html

This site seems more about Ostinato's level, im not sure i could dumb it down any more myself.

blood is blue untill it comes into contact with oxygen then it goes red :)

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Originally Posted by Max=]

blood is blue untill it comes into contact with oxygen then it goes red :)

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Oh God, another idiot... Please read what has been said. It is clearly red, if it is blue, you have serious problems. It is always red, it is a darker shade when it is inside veins where it is deoxygenated and a brighter red when it is oxygenated.Please get your facts right also.

I think its dark red

I swear, when the doctor comes to our school, as she does every tuesday for some workshop for people who have heath queries. I am going to ask her and settle this once and for all :rolleyes: even though in my opinion it is obvious already.

I am going to ask my doctor Tuesday afternoon when I have a check up. I know it for a fact to be red, not for opinion like Ostinato and others believe. I have seen it deoxygenated, I have seen the machine they use to deoxygenate it and shake it up at a hospital, it is a dark shade of red. Not purple, not blue, not anything other than red.

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Originally Posted by GommeInc

I am going to ask my doctor Tuesday afternoon when I have a check up. I know it for a fact to be red, not for opinion like Ostinato and others believe. I have seen it deoxygenated, I have seen the machine they use to deoxygenate it and shake it up at a hospital, it is a dark shade of red. Not purple, not blue, not anything other than red.

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As I have said.. In my opinion it is red, always red.. though some people consider purple.
Evidence presented seems to confirm that, I mean, although the internet isn't 100% reliable I think it is pretty obvious.

It is pretty obvious. I am starting to wonder if these people believing it is purple/blue are religious and believe Jesus turned water into wine :rolleyes: Same conditions kinda apply.

Lol you are all so obnoxious you really are.

Mentor, I've really never came across anyone so damn right rude and arrogant in my life. Whether or not you agree with my opinion on this matter or not, I really couldn't care less, but me - and several other members of this forum, as they have posted - believe blood is blue until it comes into contact with oxygen. You seem to have some sort of issue with people disagreeing on stuff with you...

There is no need for you to speak to me in the way in which you have been, and if it continues I assure you, I will be taking this further as I refuse to put up with your simple harrasment and abuse.

At the end of the day, you can post as many links to websites as you want - but that doesn't scientificly prove it's true, nor does showing me 'yourself'. If you disagree with me - fair enough, but a lot of people here do agree with me, so I suggest you start realsing your opinion isn't the only one that matters in this discussion.