Question

Which statement is the best description of respiration?A. Respiration is the same thing as inhaling and exhaling oxygen.B. Respiration is the process of breathing in oxygen through the lungs.C. Respiration is the exchange of oxygen and carbon dioxide in the alveoli.D. Respiration includes inhaling, exhaling, and reactions in cells using oxygen.

Answer 1

this is the best description

respiration is the process in which oxygen is inhaled for the breaking down of glucose(food) in the cells and carbon dioxide is exhaled