Question

why our bloods are red

Answer 1

our blood is red due to presence of haemoglobin




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Answer 2

Blood is red because of the hemoglobin inside our red blood cells. Hemoglobin is a protein that forms acomplex with iron molecules and together they transport oxygen molecules throughout the body. Iron has the property of reflecting red light and because there is so much iron inour blood, blood looks red.

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