<span>Social cognition is the best answer.</span>
Blood in the pulmonary vein is oxygen rich, while in all of the other veins, it is oxygen poor.
Hope this helps... mark as Brainliest plz
The question you should ask yourself is do you really want to be with someone who does not respect your feelings. If they can't accept how you feel, then that will cause a lot of problems later on. In a good relationship you must work together and be on the same page.
