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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Slide 1: Slide

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This lesson contains 13 slides, with interactive quiz, text slides and 2 videos.

Items in this lesson

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