Across
- 2. Helps to expand and contract the lungs.
- 4. volume The amount of air left in the lungs after fully exhaling.
- 7. A part of the airway that houses the vocal chords.
- 8. There is a high ____________________ of oxygen in the alveoli.
- 11. These intercostal muscles bring the rib cage downwards and inwards when exhaling.
- 12. ventilation Equal to around 6-9L of air.
Down
- 1. volume The amount of air inspired or expired in a normal breath.
- 3. training This type of training increases the number of red blood cells after a while.
- 5. Brown inhalers that can take up to 14 days to be fully effective.
- 6. pressure A term used for the amount of gas in an area.
- 9. Tiny air sacs that aid the change of fresh oxygen for used carbon dioxide.
- 10. During inspiration the thoracic cavity ____________________ in size.