Question

What is blood? Why is it red?

Answer 1

simply

its red becoz of presence of hemoglobin

blood: combination of RBC'S,WBC'S,and platelets

Answer 2

Blood is the red fluid that flows throughout our body and it contains white and red blood cells, platelets and other elements. Blood is red in colour because of the presence of haemoglobin in it that gives it red colour.

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