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Oxygen-poor blood is pumped to the lungs.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Are these steps in order?
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Breathe out.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Oxygen is added to the blood by the lungs.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Blood is pumped through the body giving O2 to the cells and taking CO2 from the cells.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Carbon dioxide is removed from the blood by the lungs.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Oxygen-poor blood moves back to the heart.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
Oxygen moves into the lungs.
circulatory system
circulatory system
respiratory system
both systems
both systems
both systems
respiratory system
Yes
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