Blood: Blood is red. It is darker red when it carries less oxygen (like in veins). It can appear blue when covered by skin.
Answered 9/29/2016
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Color of blood: Blood is red. It is darker red when it carries less oxygen (like in veins). It can appear blue when covered by skin.
Answered 12/1/2014
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Red: brighter red when well oxygenated and darker red when less oxygen,
Answered 12/1/2014
3.5k views
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