Question

what makes blood red in colour?​

Answer 1

Answer:

hope it will help you

Explanation:

Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstream. Heme contains an iron atom which binds to oxygen; it's this molecule that transports oxygen from your lungs to other parts of the body.

Answer 2

Explanation:

human blood is red because of a pigment haemoglobin

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