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Why is the colour of blood …

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Why is the colour of blood is red
  • 2 answers

Anju Kumari 7 years, 10 months ago

Due to the presence of haemoglobin in the red blood cell

Kritika Trehan 7 years, 10 months ago

Each hemoglobin protein is made up subunits called hemes, which are what give blood its red color. More specifically, the hemes can bind iron molecules, and these iron molecules bind oxygen. The blood cells arered because of the interaction between iron and oxygen.

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