The Respiratory System

1234567891011121314
Across
  1. 2. The site of external respiration.
  2. 7. Filters air as it passes through the nasal passages.
  3. 9. Due to the anatomy of this type of dog, they often suffer from respiratory issues.
  4. 12. When air passes over these structures, it vibrates and creates sound.
  5. 13. This structure also helps with non-respiratory functions such as pooping!
  6. 14. The common passageway for the Respiratory and Digestive Systems.
Down
  1. 1. When swallowing, this structure is pulled back and covers the opening of the trachea.
  2. 3. This can be caused by inhaled irritants causing bronchial smooth muscle to contract.
  3. 4. The vocal cords and arytenoid cartilages form the boundaries of this.
  4. 5. This is a secondary function of the Respiratory System.
  5. 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.
  6. 8. _________ cartilage rings keep the trachea from collapsing.
  7. 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.
  8. 11. The area between the lungs.
  9. 14. Bringing O2 into the body, and CO2 out of the body is the ________ function of the Respiratory System.