Question

what is respiration? show how food is broken down into its constituents in the presence of oxygen

Answer 1

Inside the cell, the food, which contains glucose, is broken down into carbon dioxide and water with the help of oxygen. The process of breaking down the food particles releases energy, which is then utilized by our body.

Answer 2

respiration is the movement of oxygen from the outside environment to the cells of our body is called is as respiration .when respiration takes place oxygen in the outside increases and it diffuses inside which helps it to break the food particles and produce energy for meatabolic procceses