What are the major transport mechanisms for CO2? Question asked by: Shreyas Shreyas24 Emily Unselected an answer February 17, 2018 1 Answer ActiveVotedNewestOldest 0 Neelu There are three types in co2 1 dissolve in plasma 2 by carbamino compound 3 by bicarbonate.. Emily Unselected an answer February 17, 2018 Write your answer. Register or Login