Nutrition and food tests (CCEA)Respiration

Food provides energy and nutrients. The different components of our diet have different sources and functions.

Part ofCombined ScienceLiving processes

Respiration

Respiration is an reaction that releases energy.

A swimmer

Aerobic respiration word equation:

glucose + oxygen → carbon dioxide + water + energy

Aerobic respiration balanced chemical equation:

C6H12O6 + 6O2 → 6CO2 + 6H2O + energy