Question

why blood is red in colour​

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. ... Hemoglobin bound to oxygen absorbs blue-green light, which means that it reflects red-orange light into our eyes, appearing red.

Explanation:

PLEASE FOLLOW ME

Answer 2

Explanation:

Blood is red in colour due to RBc which have hemoglobin and the pygment that hemoglobin is of red is due to present of iron in hemoglobin

Blood>Rbc>hemoglobin>iron(Fe atom)