Across
- 5. ____ tubes are air tubes branching from trachea, leading directly into the lungs.
- 8. Tubes carrying air to and from the lungs, including nose, pharynx, larynx, trachea, bronchi, and bronchioles.
- 10. The pulmonary _____ carries carbon dioxide-rich blood from heart to lungs for oxygenation.
- 12. Main air passage connecting larynx to lungs, contains cartilage rings to prevent collapse.
- 13. ______ of Gases is a process of oxygen intake and carbon dioxide release between the body and the air.
- 14. ______ Dioxide is the waste gas produced by cells, expelled from the body during exhalation.
- 16. Muscular structure aiding in breathing by expanding and contracting the lungs' space.
Down
- 1. Main respiratory organs, responsible for oxygen intake and carbon dioxide removal.
- 2. The ______ System is a group of organs and tissues facilitating breathing and gas exchange between the body and the environment.
- 3. Chamber connecting nose and mouth passages, part of both the respiratory and digestive systems.
- 4. _____ Vessels include capillaries, arteries, and veins that transport blood through the body.
- 5. Inhaling oxygen-rich air and exhaling carbon dioxide-filled air, facilitated by the respiratory system.
- 6. Entry point for air, filters and humidifies incoming air.
- 7. Muscular organ allowing air passage and vocalization.
- 9. Tiny air sacs in lungs where gas exchange with capillaries occurs.
- 11. The pulmonary ____ transports oxygen-rich blood from lungs to heart.
- 15. Vital gas taken in from the air, transported to body cells via the bloodstream.