For Division 6
Here is some information that could be helpful for your assignment. There are some experiments to try as well if you wish
click here – Reason for Breathing
click here – Respiration Basics
click here – The Air We Breathe
click here – The Nose
click here – It’s an Open and Shut Case
click here – You Can Say That Again
click here – The Great Exchange
click here – The Chest Cavity
click here – The Complete Breathing Process
click here – Human Respiratory System
Below are some experiments you could try
click here – Lung Capacity
click here – Secret Passage
click here – Model of a Lung
Here are some pictures that may be helpful.
click here – My Respiratory System
click here – Nose and Throat Picture
click here – Left Lung Picture
click here – Right Lung Picture