Respiratory system. Function to get a breath of oxygen breathing gas to drive the gas carbon dioxide out.After exercise will use more power, gas, carbon dioxide in the blood is much more cause respiratory system work faster.An important organ in the body.1. nose. A nose through the air and dust filter.2. air hose air hose is over the air to the lungs, leading to both sides.3. Lung lungs will have many little bags for storing air.
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