Final answer:
Breathing is the intake of oxygen and release of carbon dioxide through inhaling and exhaling. The respiratory system comprises organs involved in the exchange of gases. Diaphragm, bronchial tubes, and alveoli are vital respiratory system components.
Explanation:
Breathing is the process of inhaling and exhaling where oxygen is taken in and carbon dioxide is expelled. The respiratory system includes structures like the nose, trachea, and lungs, responsible for gas exchange. Key parts of the respiratory system include the diaphragm, bronchial tubes, and alveoli.
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