Test 3 5333
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What is the role of the respiratory system?
To provide for the exchange of oxygen and carbon dioxide between the air and the blood.
Oxygen is required by all cells in order to produce the life-sustaining energy source _______________.
Adensosine triphosphate (ATP)
Carbon dioxide is produced by _________ ______ _______ and forms an acid that must be removed from the body.
Metabolically active cells
To carry out gas exchange, what two systems must work together?
Cardiovascular and Respiratory systems
What are the four major divisions of Pulmonary ventilation?
Pulmonary ventilation- Ventilation is
exchange of air between atmosphere and alveoli
Pulmonary ventilation- Diffusion
movement of O2 & CO2 between alveoli and blood
Pulmonary ventilation- Transport
O2 & CO2 from blood to and from cells
Pulmonary ventilation- Regulation
respiratory center- pons- medulla area of brain
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