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there are red blood cells,white blood cells.blood looks red because of red coloured pigment haemoglobin present in RBC.they are circular in shape and do not contain nuclei.WBC are lesser in numberand are colourless.they protect from infection.

2006-09-26 17:07:09 · answer #1 · answered by Anonymous · 0 0

human body cells perform all life activities,, blood cells carry oxygen to the cells

2006-09-26 16:51:20 · answer #2 · answered by wizard 4 · 0 0

Yes. If you would like more information, please be more specific.

;-)

2006-09-26 16:51:38 · answer #3 · answered by WikiJo 6 · 0 0

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