1.2 Gas exchange and respiration

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BiologieMiddelbare schoolvwoLeerjaar 3

This lesson contains 16 slides, with text slides and 1 video.

Lesson duration is: 45 min

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1.2 Gas exchange and respiration

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Homework check questions

What is the pharynx?
What is the epiglottis?
What are ciliated cells?

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Discussion

Smoking can paralyse the ciliated cells. Discuss with another student why smoking can cause you to develop the so-called smoker’s cough. This is a persistent cough that develops in long-term smokers (‘persistent’ meaning that it is present for more than 2 or 3 weeks).

Answer?

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Work to be done

Make a concept list of Unit 1.2

Work on exercises 8 - 12, 15 - 17

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1.2 Gas exchange and respiration

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