Make a model lung
This online resource gives printable instructions on how to make a model lung out of a small plastic drink bottle. This is useful in explaining how movement of the diaphragm causes air to move into the lungs. Students could then examine what variables affect air flow (i.e., pregnancy pressing on the diaphragm).
- Year 8 > Science Understanding > Biological Sciences > Multi-cellular organisms contain systems of organs that carry out specialised... > ACSSU150