$O_{2}$ binds with RBC Haemoglobin is a red coloured iron containing pigment, present in the RBCs. $O_{2}$ binds with haemoglobin in reversible manner to from oxyhaemoglobin
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.