Some organisms live and reproduce in oxygen-poor or oxygen-deficient environments. These types of organisms also need ATP to sustain life. To obtain the required energy they undergo anaerobic ...

The energy is supplied by food that the cells take in. The break down of food to release energy is called respiration. The main food used by cells for respiration is glucose. If oxygen is present ...

Breathing may not be something you think about a lot. You use many body parts during respiration. Because of this, good posture and certain breathing patterns are more effective for comfortable ...