Question

what are the compounds of blood and why it is red in colour answer the following question​

Answer 1

Explanation:

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

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