I think it would prob be A
Blood exchanges carbon dioxide for oxygen in the C.) Alveoli.
Distress. We know two types of stress, positive (eustress) and negative (distress). Both types of stress have their function and their characteristics. While positive stress is mostly associated with tasks that we find hard to do but very challenging and doable at the same time, distress/negative stress is mostly associated with hard and negative situations which we consider to be extremely hard and negative for us.
•Principles of first aid•
•Call for help
•Calmly take charge
•Check the scene and the casualty
•Carefully apply FIRST AID.
Hope this helps! Have a great day and good luck! ;)
