Answer: To maintain Cellular respiration
Explanation:
The body must take in oxygen so that the blood cells can absorb it. This allows the blood cell to release CO2. Therefore, Inhaling oxygen is necessity for maintaining cellular respiration.
You check their airway first, then the Heimlich Maneuver, Then if it doesn't work you put in a trachea.
Plasma. Blood is composed of about 55% plasma and 45% formed elements (red blood cells, white blood cells, and platelets)