Across
- 4. LONG TUBE THAT CONNECTS NOSE TO LUNGS
- 5. PLACE WHERE THE EXCHANGE OF OXYGEN AND CARBON DIOXIDE OCCURS
- 6. SACS THAT INFLATE WHEN YOU BREATH IN
- 7. IT HAS HAIR TO FILTER THE AIR
Down
- 1. MUSCLE BELOW LUNGS THAT MOVES DOWNWARDS WHE YOU INHALE
- 2. TWO PARTS WHICH IS DIVIDED THE TRACHEA IN
- 3. THEY CONNECT BRONCHI TO THE LUNGS