Respiration involves the
Correct answer: B. Biochemical process
- A. Chemical process
- B. Biochemical process
- C. Mechanical process
- D. Both B and C
Explanation
Respiration is a biochemical process, in which the cells of an organism obtain energy by reacting oxygen with glucose, resulting in the release of carbon dioxide, water, and ATP. Breathing is a physical process and involves only the exchange of gases. It does not involve the formation of any new product. Hence, it is not a chemical process.
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About Cellular Respiration
Cellular respiration releases energy from glucose through glycolysis, the link reaction, the Krebs cycle and the electron transport chain, producing ATP. The pathway differs in oxygen availability: aerobic respiration uses oxygen and yields more ATP, while anaerobic respiration produces much less ATP and forms lactic acid in muscles or ethanol and carbon dioxide in yeast.
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