study notes test 2.docx

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Department
Biological Sciences
Course
BIOA01H3
Professor
Mark Fitzpatrick
Semester
Winter

Description
-Ribs+diaphragm relax -decreased volume -air pressure in lung increases, air races out External Respiration: blood and alveoli -Adjacent to alveoli are capillaries -blood in hemoglobin with iron attracts to oxygen and transports around Internal Respiration -Oxygen diffuses from blood, into cell -Same but opposite with carbon dioxide Cellular Respiration -Uses oxygen to chemically react with glucose to make ATP -CO2 and water as byproducts Lung Capacity- Amount of air your lung can hold outside of normal breathing rates Tidal Volume: amount intake during normal movement Inspiratory Reserve Volume: any additional volume of air intake during inhalation Expiratory Reserve Volume: any additional volume of air that can be forced out beyond regular
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