Topics: Living Organisms Quiz
Different systems of the human body perform different functions. Which system takes oxygen from the air to be moved by the circulatory system?
A. the respiratory system
B. the digestive system
C. the nervous system
D. the skeletal system
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Which is a function of the respiratory system?
A. to provide the body with carbon dioxide, which reacts with food to produce energy
B. to provide the body with oxygen, which reacts with food to produce energy
C. to provide the cells with glucose, which is used as a source of energy
D. to provide the cells with water, which is used as a source of energy