How the Lungs Work - The Respiratory System

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respiratory system The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the

The respiratory system starts at the nose and mouth and continues through the airways and the lungs Air enters the respiratory system through the nose and skeletal system The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the

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respiratory system The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the

smr automotive system thailand The respiratory system starts at the nose and mouth and continues through the airways and the lungs Air enters the respiratory system through the nose and

The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the