The Respiratory System
Across
- 2. The nose contains two nasal ________, separated from one another by a septum.
- 5. Hollow spaces in nose; filter, warm and moisten air.
- 8. A person with __________ has a reduced amount of respiratory membrane.
- 9. The entrance and exit of air into and out of the lungs.
- 12. Where the oral cavity joins the pharynx.
- 13. Air sacs that branch from bronchioles; passage of into and out of pulmonary capillaries.
Down
- 1. Also known as your voicebox.
- 3. Infection of the primary and secondary bronchi.
- 4. The respiratory system converts _______ to carbon dioxide.
- 6. Paired tubes that enter the lungs; passage of air to lungs.
- 7. The basic rhythm of ventilation is controlled by a primary respiratory center located in the _________.
- 10. The maximum volume of air during a single breath is called the _________.
- 11. _________ may be done if the trachea is blocked by making an incision in the trachea.