Question

What is cellular respiration?

Answer 1

cellular respiration, 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.

Answer 2

short answer:

the process by which food, in the form of sugar (glucose), is transformed into energy within cells

Long answer:

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