4102355
| Question | Answer |
| WHERE DOES ALL THE GAS EXCHANGE HAPPENS? | ALVEOLI (AIR SAC) |
| WHAT HOLDS THE TRACHEA (WIND PIPE) TOGETHER? | RINGS OF CARTILAGE |
| WHAT HAPPENS WHEN YOU INHALE? | THE DEOXYGENATED BLOOD COMES AROUND THE AIR SAC TO COLLECT OXYGEN. |
| WHAT HAPPENS TO THE DIAPHRAGM, AND THE RIB CAGE WHEN YOU INHALE? | THE DIAPHRAGM, FLATTENS AND GOES DOWN, THE RIB CAGE MOVES UP AND OUT. |
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