One good reason would be that they could give someone, or many people who are in desperate need of a new organ, a second chance at life.
I believe that the best answer among the choices provided by the question is <span>It could increase carbon dioxide uptake in alveolar sacs.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
It is d, a substance that participates in a chemical reaction. You can also tell it just by looking at the stem of the term :)