Life Process- 2 Respiration

respiration in human

Life Process- 2 Respiration Respiration: Every living organism needs energy to perform various life activities, and the process of respiration fulfills this energy requirement. During respiration, this food is broken down in the presence of oxygen, and energy is released during respiration. Breathing- exchange of gases between the animal body and its external environment, also called ventilation or breathing. Cellular respiration Under cellular transport of gases O2 and CO2 between the respiratory surface and the cells. The biochemical process that occurs within cells and oxidizes food to obtain energy, is…

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