Which of the following incorrectly describes mechanisms of CO2 transport? A. As bicarbonate ions in plasma B. Just over 20% of CO2 is carried in the form of carbaminohemoglobin C5% as undissolved gas D. 7-10% of CO2 is dissolved directly into the plasma 69. The biceps brachii muscle is inserted to while the triceps brachil muscle is inserted to A Humerus ; humerus B. Radius: ulna C. Uina; radius D. Humerus ; radius