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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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 - Diapositive

Slide 2 - Diapositive

Slide 3 - Diapositive

Slide 4 - Vidéo

Gas exchange =
absorption and release of oxygen and carbon dioxide through the alveoli



Slide 5 - Diapositive


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 - Question de remorquage

Alveolus/Alveoli

Slide 7 - Diapositive

Alveoli
Very thin cell layers (± 1 cell thick)

Gases can flow freely from blood to alveoli and back

Slide 8 - Diapositive

Mechanical breathing
Two types:
- Chest breathing
- Abdominal breathing

Slide 9 - Diapositive

Chest breathing

Slide 10 - Diapositive

Abdominal breathing

Slide 11 - Diapositive

Slide 12 - Vidéo

 BS 1.4
Make exercise 1-3, 5-9

Ready? 
Read BS 7 smoking

Slide 13 - Diapositive