Every living thing on earth requires energy. From the smallest bacteria to the biggest elephant they need energy to survive.
This process of getting energy is referred to as Respiration.
It is a chemical reaction, where cells break down glucose to give them energy to grow, repair and move.
We can break respiration up into 2 types
Respiration
Aerobic respiration
When oxygen is present our cells undergo aerobic respiration. The glucose that we eat, is combine with the oxygen to produce Carbon Dioxide, water and energy