The correct option is
A Respiration is the process of releasing energy by breaking down food (glucose) needed for various activities of the body.
- Respiration is the process of releasing energy by breaking down food (glucose) needed for various activities of the body.
- The breakdown of glucose occurs by utilising oxygen which we breathe in along with air.
- During this process, the food is burnt to produce energy.
- Thus, Option A is correct.