Oxygène is a chemical element with the symbol O and atomic number 8. It is a colorless, odorless gas that is essential for life on Earth. Oxygène makes up about 21% of the Earth's atmosphere and is crucial for the process of respiration in animals and humans, as well as photosynthesis in plants. In addition to its role in supporting life, oxygène is also used in various industrial applications. It is involved in the production of steel, the manufacturing of chemicals, and is used in medical settings for respiratory therapies. Its importance extends beyond biology to many aspects of modern technology and industry.