It is the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
That's a great question, I noticed many of you have troubles with this concept, let me explain you.
What is the cellular respiration?
Yeah sure, it is the chemical process by which molecules such as glucose are broken down anaerobically. An example for this process is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old.
Thank you teacher, just one last question please, can you explain what is fermentation?