The respiratory system is defined as the system responsible for?

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Multiple Choice

The respiratory system is defined as the system responsible for?

Explanation:
Breathing, the act of moving air in and out of the lungs, is the primary function of the respiratory system. This system is specialized to bring oxygen into the body and remove carbon dioxide, a waste product of metabolism, through the process of ventilation and gas exchange in the lungs. The key idea is that the respiratory system enables the intake of oxygen and the expulsion of CO2 essential for cellular respiration. The other options describe functions of different systems: moving blood is the job of the circulatory system, digesting food is the digestive system, and filtering blood is handled by the kidneys (and liver in processing wastes).

Breathing, the act of moving air in and out of the lungs, is the primary function of the respiratory system. This system is specialized to bring oxygen into the body and remove carbon dioxide, a waste product of metabolism, through the process of ventilation and gas exchange in the lungs. The key idea is that the respiratory system enables the intake of oxygen and the expulsion of CO2 essential for cellular respiration.

The other options describe functions of different systems: moving blood is the job of the circulatory system, digesting food is the digestive system, and filtering blood is handled by the kidneys (and liver in processing wastes).

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