Across
- 4. Is a muscular organ between the pharynx and trachea.
- 7. Is more concentrated in the alveoli and less concentrated in the capillaries.
- 8. Is a leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, or voice box.
- 9. This is where the air first enters our body.
- 10. Is a muscular structure located between the thoracic and abdominal cavity.
- 11. Are the main organs of the respiratory system.
- 13. Is a group of organs and tissues working together to enable us to breathe.
- 14. Is to ensure that incoming air is supplied to each alveolus.
- 15. It is a chamber where the passages from the nose and mouth meet.
Down
- 1. Are tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream.
- 2. Are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
- 3. Is the main passageway from larynx to the lungs.
- 5. The bronchi are two air tubes that branch off of the trachea and carry air directly into the lungs.
- 6. Are part of the circulatory system and function to transport blood throughout the body.
- 12. Is to warm, moisturize, and filter air entering the body before it reaches the lungs.