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RESPIRATION INTERNAL AND EXTERNAL www.freelivedoctor.com
INTERNAL RESPIRATION ,[object Object],[object Object],[object Object],www.freelivedoctor.com
EXTERNAL RESPIRATION ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
EXTERNAL AND INTERNAL RESPIRATION HEART TISSUE CELL O 2  + FOOD CO 2  + H 2 O + ATP LUNGS ATMOSPHERE PULMONARY CIRULATION SYSTEMIC CIRCULATION www.freelivedoctor.com
THE RESPIRATORY SYSTEM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
Alveoli ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
Alveoli and Pulmonary Capillaries www.freelivedoctor.com
RESPIRATION The Mechanics of Breathing www.freelivedoctor.com
PRESSURES AT REST ,[object Object],[object Object],[object Object],www.freelivedoctor.com
BAROMETRIC PRESSURE Mercury Hg VACUUM WEIGHT OF COLUMN OF AIR = FORCE FORCE/AREA = PRESSURE Sea Level 760 mm  www.freelivedoctor.com
REST PRESSURES 760 MM Hg 756 mmHg Lungs Intrapleural pressure Airways Atmosphere Pleural Sac Thoracic Wall www.freelivedoctor.com
THE TRANSMURAL PRESSURE GRADIENT INFLATES THE LUNGS ,[object Object],[object Object],[object Object],www.freelivedoctor.com
REST PRESSURES 760 MM Hg 756 mmHg Lungs Intrapleural pressure Airways Atmosphere Pleural Sac Thoracic Wall www.freelivedoctor.com
AIR IS A COMPRESSABLE GAS WHICH OBEYS BOYLE’S LAW ,[object Object],[object Object],[object Object],www.freelivedoctor.com
INSPIRATION ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
INSPIRATION 760 mm Hg 754 mmHg Lungs Intrapleural pressure Airways Atmosphere Pleural Sac Thoracic Wall 759mm Hg www.freelivedoctor.com
EXPIRATION ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
EXPIRATION 760 mm Hg 756 mmHg Lungs Intrapleural pressure Airways Atmosphere Pleural Sac Thoracic Wall 761 mm Hg www.freelivedoctor.com
MUSCLES OF INSPIRATION ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
MUSCLES OF EXPIRATION ,[object Object],[object Object],www.freelivedoctor.com
AIRWAY RESISTANCE ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
Resistance and Disease ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
LUNG VOLUMES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com
LUNG VOLUMES www.freelivedoctor.com
LUNG VOLUMES: RELATIONSHIPS ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

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