Помогите, срочно, 50 баллов

Topic 11
C-short answer:
1- The bends, also known as decompression sickness (DCS) or Caisson disease, occurs in scuba divers or high altitude or aerospace events when dissolved gases (mainly nitrogen) come out of solution in bubbles and can affect just about any body area including joints, lung, heart, skin and brain.

2-with the help of blood plasma, hemoglobin and oxyhemoglobin, erythrocyte

3-due to lack of oxygen.

А на фото ответы уровня А и В.