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Respiration
Term | Definition |
---|---|
Respiration | The process used by all living cells to release energy. It is an exothermic reaction that needs oxygen and produces carbon dioxide and water. |
Chemical Energy | Energy stored in the chemical bonds of a substance |
Chemical Reaction | The re-arrangement of atoms to form one or more new substances |
endothermic reaction | A reaction that absorbs energy |
exothermic reaction | A reaction that releases energy |
glucose | used as a source of energy in cellular respiration. |
What happens during respiration? | during respiration the cells break down food molecules (like sugar) and release the energy stored in the food. |