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Lesson 5 (Tv2F) - Pleural membrane and diseases
Chapter 5 (kerboodle)
Breathing and respiration
Lesson 5: The pleural membrane and diseases (p67-68)
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Biologie
Middelbare school
vwo
Leerjaar 2
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Lesson duration is:
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Chapter 5 (kerboodle)
Breathing and respiration
Lesson 5: The pleural membrane and diseases (p67-68)
Slide 1 - Slide
Slide 2 - Slide
Treathing the air
-Moist
-Warmed
-Filtered and cleaned
Epiglottis
Slide 3 - Slide
Mucus
Dust and germs get trapped
Cilia (little hairs) move it up your nose an throat
Slide 4 - Slide
Pleural membrane/cavity
2 pleural membranes (around the lungs and muscles)
Inbetween -> pleural cavity with liquid
-Prevents seperation of the 2 layers
-Allow volume of lungs to change
-Lubricates the sruface -
lungs can move easily
Slide 5 - Slide
Thoracic breathing in
Intercostal muscles contract
Ribs move up and pull pleural membrane open
Pleural membrane pulls the lungs open
Air is pulled into the lungs
Abdominal breathing in
Abdominal muscles contract
Diaphragm moves down
Diaphragm pulls pleural membrane open
Pleural membrane pulls the lungs open
Air is pulled into the lungs
Slide 6 - Slide
Thoracic breathing out
Intercostal muscles relax
Ribs move down and push pleural membrane closed
Pleural membrane pushes the lungs closed
Air is pushed out of the lungs
Abdominal breathing out
Abdominal muscles relax
Diaphragm moves up
Diaphragm push the pleural membrane closed
Pleural membrane pushes the lungs closed
Air is pushed out of the lungs
Slide 7 - Slide
Smoking and Asthma
Slide 8 - Slide
Slide 9 - Video
Effects of Smoking
Tar -> damages teeth and gums -> Causing decay teeth
Loss of smell due to damage nerve endings nose
Damaging cilia, which clean the air that goes into your lungs
Less oxygen uptake in the alveoli due to toxic carbon monoxide gass exchange instead of oxygen uptake
Restriction of the blood vessels and harm of the blood vesssel cells
Mutations in the DNA --> Cancer
The good news --> Recovery possible!
Slide 10 - Slide
Asthma
Inflammation of the airways
airways narrow and swell and produce extra mucus
Exact cause is unkown
Slide 11 - Slide
inhalators
-Relax the muscles -> widen up the airways
-Anti inflammatory substances stop the inflamation
Slide 12 - Slide
HW for next lesson
Kerboodle review exercizes (try to practice as much as you can)
Page 76 -77
Question 1 to 9
Study the quizlet! Quizlet live last 5 min :)
Slide 13 - Slide
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