Answers

2016-06-18T20:50:39+08:00
The straw openings serve as the nose.The straw as the nasal passage, the two smaller balloons as the lungs. And the bigger balloon at the bottom is the diaphragm.
3 2 3
We already done that..
no iam research this activity
What do you Mean?
no done this activity
I think you're wrong with your grammar
2016-06-20T17:55:33+08:00
The straw outside the model is the :TRACHEA
the straw inside the model is the :BRONCHI
the bottle is the:CHEST CAVITY / RIB CAGE
the two small balloons is :LUNGS
the balloon at the bottom of the model is the :DIAPHARGM.....^_^
3 3 3