Respiratory System

In Biology we are studying the Respiratory System.

Here is a post of Male’s blog that explains very well the topic with some tests and activities! (STUDY FROM HERE)

This is a table showing the Gaseous Exchange:
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Comparing the amount of carbon dioxide in inspired and expired air we lead to a:

HYPOTHESIS: The expired air contains more carbon dioxide than the inspired air.

LIMEWATER:     clear ——-CO2——-> cloudyimage3

 

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