cellular respiration
nounUK /ˌseljələ ˌrespəˈreɪʃn/
US /ˌseljələr ˌrespəˈreɪʃn/
Cellular respiration is how living cells turn food into energy.
During cellular respiration, our cells use oxygen and sugar to make the energy we need to move and grow.
RELATED WORDS
OTHER MEANINGS
2. The chemical process in which cells break down glucose to release stored energy.
Scientists studied cellular respiration to understand how muscle cells produce energy during exercise.
3. The part of metabolism that converts nutrients into usable energy molecules.
Cellular respiration is a key topic in biology classes because it explains how energy flows through living things.
4. The oxygen-dependent energy-producing pathway that occurs mainly in mitochondria.
Without enough oxygen, cellular respiration slows down and cells rely on other ways to make energy.