question_answer 18)

Why is respiration considered as an exothermic reaction ? Explain. 

Answer:

Rice, potatoes and bread contain carbohydrates. During digestion, these carbohydrates are broken down into simpler substances called glucose. This glucose combines with oxygen in the cells of our body and provides energy. The special name of this reaction is respiration.     Thus respiration is an exothermic process because energy is produced during this process.          Energy