Available choices: (I). electromagnetic respiration; (II). cellular transportation; (III). cellular digestion; (IV). cellular respiration;

Answer the following question given this paragraph: The use of the word respiration in relation to gas exchange is different from its use in the term cellular respiration . Recall that cellular respiration is the metabolic process by which cells obtain energy by "burning" glucose. Cellular respiration uses oxygen and releases carbon dioxide. Respiration by the respiratory system supplies the oxygen and takes away the carbon dioxide. Q: What is the metabolic process by which cells obtain energy by "burning" glucose? A:
Answer:
(IV).