Models (16–18): Gas exchange

Discover how to teach with models in my books Difference Maker and Teaching Meaning.

Lung ventilation

3 Explain respiratory system ventilation breathing mechanism KS4

Alveoli structure and function

Explain gas exchange alveoli alveolus KS5

Gas exchange & diffusion abstract model

Explain gas exchange diffusion model KS5

Oxygen dissociation

I explain this model here.

Explain gas exchange oxygen dissociation Bohr shift KS5