NREMT EMT

Category - Airway

During respiration what is primarily transported throughout the body?
  1. Pollutants from the body.
  2. Solid waste products out of the body.
  3. Nutrients to the blood cells.
  4. Oxygen from the air to the blood.
Explanation
Answer: D - Respiration refers to the process of moving oxygen and carbon dioxide across membranes, in and out of the alveoli, capillaries, and cells. Thus, respiration deals with the actual gas exchange process.
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