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