Question

human blood is red in colour why​

Answer 1

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

ᕼEᒪᒪO❣❣

~~ʏᴏᴜʀ ᴀɴꜱᴡᴇʀ

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.

ꃅꂦᖘꍟ ꀤ꓄ ꃅꍟ꒒ᖘꌗ ꌩꂦꀎ❤❤