Across
- 2. The site of external respiration.
- 7. Filters air as it passes through the nasal passages.
- 9. Due to the anatomy of this type of dog, they often suffer from respiratory issues.
- 12. When air passes over these structures, it vibrates and creates sound.
- 13. This structure also helps with non-respiratory functions such as pooping!
- 14. The common passageway for the Respiratory and Digestive Systems.
Down
- 1. When swallowing, this structure is pulled back and covers the opening of the trachea.
- 3. This can be caused by inhaled irritants causing bronchial smooth muscle to contract.
- 4. The vocal cords and arytenoid cartilages form the boundaries of this.
- 5. This is a secondary function of the Respiratory System.
- 6. Exchange of O2 and Co2 between the blood in the systemic capillaries and all the cells and tissues of the body is termed __________ respiration.
- 8. _________ cartilage rings keep the trachea from collapsing.
- 10. This type of respiration is characterized by 02 and C02 being exchanged between the air that is inhaled and the blood flowing in the pulmonary capillaries.
- 11. The area between the lungs.
- 14. Bringing O2 into the body, and CO2 out of the body is the ________ function of the Respiratory System.