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1.4 Breathing
BS 1.4 Breathing
You can state the differences between inhaled air and exhaled air.
You can describe how inhalation and exhalation are achieved.
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Biologie
Middelbare school
vwo
Leerjaar 3
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BS 1.4 Breathing
You can state the differences between inhaled air and exhaled air.
You can describe how inhalation and exhalation are achieved.
Slide 1 - Slide
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Video
Gas exchange =
absorption and release of oxygen and carbon dioxide through the alveoli
Slide 5 - Slide
moisture the alveolus
High oxygen concentration.
High carbon dioxide concentration.
one cell layer thick
cappilaries around the alveoli
oxygen goes into the red blood cells
oCarbon dioxide goes into the air
Red blood cell transport gasses
Slide 6 - Drag question
Alveolus/Alveoli
Slide 7 - Slide
Alveoli
Very thin cell layers (± 1 cell thick)
Gases (oxygen & carbon dioxide) can flow freely from blood to alveoli and back
Slide 8 - Slide
Mechanical breathing
Two types:
- Chest breathing
- Abdominal breathing
Slide 9 - Slide
Chest breathing
Slide 10 - Slide
Abdominal breathing
Slide 11 - Slide
Slide 12 - Video
BS 1.4
Make exercise 1-3, 5-9
Ready?
Read BS 8 cold and warmblooded
Slide 13 - Slide
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