Respiratory System
The reason why people and living species need to breathe is because of everything we breathe in; our body can absorb the oxygen from the air. Our cells requires oxygen to stay alive, and humans depend on our cells to stay alive.
Also, the cells helps us to remove carbon dioxide, which is a potentially harmful waste from our body.
Explore the Respiratory System
The respiratory system invigorates our body by providing a method of oxygen to enter our body. Explore our resources to learn how about respiration and more.
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