We need air because it's essential for survival, providing the oxygen necessary for breathing and respiration.
The Importance of Air
Air is important for all living things, not just humans. Its primary importance stems from its role in respiration, a fundamental process for life.
- Respiration: Air allows us to breathe. As the provided text states, "People need to breathe, and so do lots of other animals—and plants!" Breathing is an integral part of respiration.
- Oxygen Intake: During respiration, living things take in oxygen from the air.
- Carbon Dioxide Release: Respiration also involves giving out carbon dioxide.
Respiration Explained
Respiration is the process where living organisms use oxygen to convert glucose into energy. This energy powers all bodily functions. The byproduct of this process is carbon dioxide, which is then expelled from the body. Without air, this crucial energy production would be impossible.
Why Air Matters: A Summary
| Aspect | Description |
|---|---|
| Breathing | Inhaling oxygen and exhaling carbon dioxide, essential for respiration. |
| Respiration | The process of using oxygen to convert glucose into energy, fueling all bodily functions. |
| Survival | Air provides the oxygen necessary for both breathing and respiration, making it vital for life. |
