Question

why heamiglobin gives red colour to blood?​

Answer 1

Answer:

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

Answer:

ℍ !  

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. it contains an iron atom which binds to oxygen. this molecule  transports oxygen from your lungs to other parts of the body.