Question

Why human blood is red in colour

Answer 1

because of the haemoglobin inside our red blood cells . haemoglobin is a protein that forms a complex with iron molecules and together they transport oxygen molecules through out the body. hope it is helpful you dear

Answer 2

Human blood is red in colour

Explanation:

• Human blood contains red blood cells which are the most abundant human blood cells.
• RBCs are devoid of any cell organelles and have a red colored iron-containing complex protein called haemoglobin which is responsible for the red colour of human blood.
• Each hemoglobin protein is made up sub units 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 are red because of the interaction between iron and oxygen.

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