Activity › Discussion › Science & Technology › Why do living organisms need to respire? › Reply To: Why do living organisms need to respire?
PratibhaMemberMay 6, 2021 at 3:32 pm::
The food has stored energy, which is released during respiration. Therefore, all living organisms respire to get energy from food by breathing the air. During heavy exercise, fast running, cycling, walking for many hours or heavy weight lifting, the demand for energy is high.