The Respiratory System Crossword
Across
- 3. lymphoid tissue at the back of the throat; composed of lymphocytes and help fight infection
- 4. having an insufficient oxygen supply
- 6. a muscle that separates the thoracic cavity from the abdomen ; domes upward when resting and flattens out when inhaling to allow more room for oxygen
- 8. the only externally visible part of the respiratory system
- 13. flap of tissue that covers the entrance to the windpipe when swallowing
- 14. the number of lobes in the right lung
- 15. also known as the voice box; helps us to speak
- 17. a large, air filled space above and behind the nose in the middle of the face; each cavity is the continuation of the two nostrils
- 20. the amount of air moved during normal, quiet breathing
Down
- 1. the opening between the vocal cords in the larynx
- 2. oxygen and carbon dioxide are exchanged in the lungs and all cell membranes by this process
- 5. inflammation of the bronchial membranes
- 7. also known as the windpipe; runs from the base of throat to lungs
- 9. labored or difficult breathing
- 10. the lung volume that represents the total volume of exchangeable air
- 11. air sacs in the lungs where blood and gas exchange occur; grapelike sacs
- 12. your throat; starts at the back of your nose and stops at the top of the larynx
- 16. the amount of gas that stays in the lungs after we forcefully exhale; keeps our lungs from collapsing (the abbreviation)
- 18. a disease of the bronchi characterized by wheezing, dyspnea, and a feeling of constriction in the chest
- 19. the number of lobes in the left lung