Carbon dioxide is created during respiration.
oxygen
Oxygen
The gas in the atmosphere important to respiration is oxygen. It is taken in by animals during breathing and used in cellular respiration to produce energy for their cells.
Carbon Dioxide
energy
Carbon Dioxide
no
carbon dioxide
The gas released by the body as waste during respiration is carbon dioxide (CO2). It is produced as a byproduct of cellular metabolism and is exhaled through the lungs.
Carbon dioxide
Carbon Dioxide and Oxygen
Carbon Dioxide gas is taken in during photosynthesis and oxygen gas is given out whereas during respiration in plants oxygen gas is taken in and carbon dioxide gas is given out.