Physiology Plateau of oxygen-hemoglobin dissociation curve signifies ? A No oxygen is available for binding to Hb B No Hb molecule is available to bind with O2 C All oxygen is released to tissues D None of the above 💡 Explanation Plateau of oxygen-hemoglobin dissociation curve signifies ? ✓ Correct Answer: B. No Hb molecule is available to bind with O2