Предмет: Математика, автор: zorik17

УМОЛЯЮ УМОЛЯЮ УМРЛЯЮ УМРЛЯЮ УМРЛЯ,С ОБЪЯСНЕНИЯМ ДАМ 30 БАЛЛОВ

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Автор ответа: lizafedorova6a

1

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надеюсь а успееееела....

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The cells of the human body require a constant stream of oxygen to stay alive. The respiratory system provides oxygen to the body’s cells by removing carbon dioxide. The respiratory system is responsible for the respiration, the process by which our organism exchanges gases with its environment. The act of breathing with the lungs is called ventilation and includes inhalation (breathing in) and exhalation (breathing out).
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