Questions with the keyword 'blood'
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why are our veins blue and our blood red.
by chiara728 to Ed, Sam, Steve
Comments: (No comments so far )
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Why is our blood red? I know about red blood cells, but why is our blood red though?
by sofiegrey to Ed, Katie, Sam, Steve, Vera
Comments: (so far, 3s comments )
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Is our blood actually yellow?
If it is, why?
by maggie246 to Ed, Katie, Sam, Steve, Vera
Comments: (No comments so far )
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what colour is blood inside our body
by chantalle and 1 other. to Ed, Katie, Sam, Steve, Vera
Comments: (No comments so far )