SHORT AND LONG SHORT AND LONG TERM EFFECTS OF TERM EFFECTS OF EXERCISE ON THE EXERCISE ON THE

RESPIRATORY RESPIRATORY SYSTEMSYSTEM

THE RESPIRATORY SYSTEM THE RESPIRATORY SYSTEM HAS TWO MAIN FUNCTIONS:HAS TWO MAIN FUNCTIONS:

THE RESPIRATORY SYSTEM HAS THE RESPIRATORY SYSTEM HAS TWO MAIN FUNCTIONS:TWO MAIN FUNCTIONS:

TO GET O2 INTO THE BODYTO GET O2 INTO THE BODY TO GE CO2 OUT OF THE BODYTO GE CO2 OUT OF THE BODY REVISION FROM LAST REVISION FROM LAST

LESSONEXPLAIN INSPIRATION AND LESSONEXPLAIN INSPIRATION AND EXPIRATION. HAND OUT DIAGRAM EXPIRATION. HAND OUT DIAGRAM TO SHOW RIB MOVEMENT AND THE TO SHOW RIB MOVEMENT AND THE EXPAIN IN OWN WORDS – THIS MAY EXPAIN IN OWN WORDS – THIS MAY NEED TO BE FINISHED OF FROM NEED TO BE FINISHED OF FROM LAST LESSON.LAST LESSON.

TASKTASKWRITE DETAILED NOTES ON ALVEOLI WRITE DETAILED NOTES ON ALVEOLI AND THE CONTENT OF THE AIR – THIS AND THE CONTENT OF THE AIR – THIS

CAN BE DONE IN THE FORM OF A CAN BE DONE IN THE FORM OF A

TABLE.TABLE.

NOTES SHOULD INCLUDE THE NOTES SHOULD INCLUDE THE FOLLOWING:FOLLOWING:

NOTES SHOULD INCLUDE THE FOLLOWING:NOTES SHOULD INCLUDE THE FOLLOWING: THE LINING OF THE ALVEOLI IS COVERED WITH A THE LINING OF THE ALVEOLI IS COVERED WITH A

FILM OF MOISTURE.THE O2 CONCENTRATION IN FILM OF MOISTURE.THE O2 CONCENTRATION IN THE BLOOD IS LOWER THAN IN THE ALVEOLI, THE BLOOD IS LOWER THAN IN THE ALVEOLI, HENCE THE O2 IN THE AIR SPACE DISSOLVES IN HENCE THE O2 IN THE AIR SPACE DISSOLVES IN THE FILM OF MOISTURE AND DIFFUSES THROUGH THE FILM OF MOISTURE AND DIFFUSES THROUGH THE EPITHELIUM, AND THE CAPILLARY WALL, THE THE EPITHELIUM, AND THE CAPILLARY WALL, THE PLASMA INTO A RED CELL, WHERE IT COMBINES PLASMA INTO A RED CELL, WHERE IT COMBINES WITH HAEMOGLOBIN. THE CAPILLARIES REUNITE WITH HAEMOGLOBIN. THE CAPILLARIES REUNITE AND EVENTUALLY FORM THE PULMONARY VEINS AND EVENTUALLY FORM THE PULMONARY VEINS WHICH RETURN THE OXYGENATED BLOOD TO THE WHICH RETURN THE OXYGENATED BLOOD TO THE LEFT ATRIUM OF THE HEART. THE LOW LEFT ATRIUM OF THE HEART. THE LOW CONCENTRATION OF CO2 IN THE ALVEOLI CONCENTRATION OF CO2 IN THE ALVEOLI STIMULATES THE ENZYME, CARBONIC STIMULATES THE ENZYME, CARBONIC ANHYDRASE, IN THE BLOOD TO BREAK DOWN THE ANHYDRASE, IN THE BLOOD TO BREAK DOWN THE BICARBONATE SALTS AND LIBERATE CO2. THIS BICARBONATE SALTS AND LIBERATE CO2. THIS GAS DIFFUSES INTO THE ALVEOLI AND IS GAS DIFFUSES INTO THE ALVEOLI AND IS EVENTUALLY EXPELLED.EVENTUALLY EXPELLED.

TASKTASK

WHAT ARE THE SHORT TERM AND WHAT ARE THE SHORT TERM AND LONG-TERM EFFECTS ON THE LONG-TERM EFFECTS ON THE RESPIRATORY SYSTEM?RESPIRATORY SYSTEM?

SHORT-TERM INCL.SHORT-TERM INCL. BREATHING QUICKENS AND BREATHING QUICKENS AND

DEEPENSDEEPENS BUILD UP OXYGEN DEPTBUILD UP OXYGEN DEPT

EXPERIENCE THE OXYGEN EXPERIENCE THE OXYGEN DEPTDEPT

RUN ON THE SPOT FOR 1 MIN AS RUN ON THE SPOT FOR 1 MIN AS FAST AS YOU CAN AND EXPAIN TO FAST AS YOU CAN AND EXPAIN TO YOUR PARTNER WHAT IS YOUR PARTNER WHAT IS HAPPENINGHAPPENING

LONG-TERMLONG-TERM IMPROVED EFFICIENCY OF THE LUNGSIMPROVED EFFICIENCY OF THE LUNGS CARBON DIOXIDE REMOVED MORE CARBON DIOXIDE REMOVED MORE

EFFICIENTLYEFFICIENTLY VITAL CAPACITY IS INCREASEDVITAL CAPACITY IS INCREASED MORE ALVEOLI FOR GASEOUS MORE ALVEOLI FOR GASEOUS

EXCHANGEEXCHANGE VO2 (AEROBIC CAPACITY) IS VO2 (AEROBIC CAPACITY) IS

INCREASEDINCREASED MORE CAPILLARIES AROUND ALVEOLIMORE CAPILLARIES AROUND ALVEOLI

HOMEWORKHOMEWORK

WHAT ARE THE EFFECTS OF WHAT ARE THE EFFECTS OF SMOKING ON THE ALVEOLI AND SMOKING ON THE ALVEOLI AND GASEOUS EXCHANGE?GASEOUS EXCHANGE?