Science Final Ch. 30 part 2
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What is the basic function of the respiratory system?
the exchange of oxygen and carbon dioxide between the blood, the air, and tissues
What is the bronchi?
two large passageways in the chest
where does each bronchi lead to?
one of the lungs
What happens the the bronchus in each lung?
they divide into smaller bronchi and then into bronchules
tiny sacs in the lungs
what surround each alveolus?
network of capillaries
what takes place in the alveoli?
What happens to the carbon dixoide in the blood when the oxygen diffuses into the blood?
the carbon dioxide in the blood diffuses into the alveolus
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