In order for the blood to carry oxygen to every region of the body, the respiratory system's main job is to provide the blood with oxygen.
In order for the blood to carry oxygen to every region of the body, the respiratory system's main job is to provide the blood with oxygen. Breathing is how the respiratory system accomplishes this When a cell needs energy, ATP is broken down through a process called hydrolysis.
We breathe in oxygen and breathe out carbon dioxide. The respiratory system's mechanism for supplying oxygen to the blood is this exchange of gases.
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