Across
- 4. Nasal cavities, pharynx, larynx, trachea, bronchial tube
- 7. The most important muscle of respiration
- 8. It hurts our lungs
- 9. Gas expelled from the body during the espiration
Down
- 1. When you get it the airways leading to your lungs (trachea and bronchi) get inflamed
- 2. It enters with the air in our body while breathing
- 3. The passage of air into and out of the lungs to supply the body with oxygen
- 5. The first phase of respiration
- 6. Passive organs located in the chest, similar to sponges