Respiratory System

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Across
  1. 3. 2 words Body cells use the inhaled oxygen gotten from the alveoli of the lungs. In turn, they produce carbon dioxide and water, which is taken to the alveoli and then exhaled.
  2. 4. A passive process because muscle contraction does not occur.
  3. 6. The secondary external opening for the respiratory tract.
  4. 8. 4 words Under normal resting conditions, the body maintains a quiet breathing rate and depth called eupnea. Eupnea is maintained until the body’s demand for oxygen and production of carbon dioxide rises due to greater exertion.
  5. 15. Spongy, air-filled organs located on both sides of the chest cavity.
  6. 16. An active motion that causes the diaphragm to contract.
  7. 18. Allow the passage of air to the lungs.
  8. 19. Tiny grape-like sacs at the end of the respiratory tree.
  9. 20. A muscular structure located between the thoracic and abdominal cavity.
Down
  1. 1. 2 words the process of moving air into and out of the lungs to facilitate gas exchange.
  2. 2. 4 words Inspiration or inhalation is said to be an active process because it involves muscle contraction. The diaphragm and intercostal muscles contract.
  3. 5. The primary upper respiratory organ in which air enters into and exits from the body.
  4. 7. 2 words could be Asthma or allergic reaction or stress and anxiety
  5. 9. 3 words Surrounding the lungs are sets of muscles that are able to cause air to be inhaled or exhaled from the lungs.
  6. 10. 3 words The 2 major respiratory gases, oxygen and carbon dioxide, are transported through the body in the blood.
  7. 11. 2 words the exchange of gases between the blood in capillaries and the tissues of the body.
  8. 12. 2 words the exchange of gases between the air filling the alveoli and the blood in the capillaries surrounding the walls of the alveoli.
  9. 13. An tubular structure, positioned behind the oral and nasal cavities, that allows air to pass from the mouth to the lungs.
  10. 14. 2 words The inside of the nose
  11. 17. Part of the upper respiratory tract that has two main functions: a passageway for air to enter into the lungs, and a source of vocalization.