Across
- 2. Where the oxygen passes through and into the bloodstream. These are microscopic, balloon-shaped sacs that expand when you inhale and contract when you exhale.
- 5. The part of the throat that is utilized for talking, swallowing, and breathing and houses the vocal chords.
- 7. a waste product produced by the body's cells that is transported through the bloodstream to the lungs, where it is then exhaled into the atmosphere
- 9. Permits the passage of food into the stomach and air into the lungs. Throat is another name for it.
- 11. refers to the molecule that moves from the air in the lungs into the bloodstream, allowing the body to utilize it for cellular processes
- 13. A large, dome shaped muscle at the base of the lungs that plays a crucial role in breathing by contracting and flattening to allow the lungs to expand and fill with air.
Down
- 1. Where oxygen is absorbed from water and carbon dioxide is expelled through specialized structures in these aquatic creatures.
- 3. The process involving tiny openings on the body surface leading to an intricate network responsible for breathing in these invertebrates.
- 4. is the process of moving oxygen into the body and carbon dioxide out.
- 6. Tiny hair like structures on the surface of cells, especially in the respiratory tract, that move rhythmically to help clear mucus and debris from the airways.
- 8. are extensions of breathing systems, it also increases the efficiency of gas exchange by providing a large surface area
- 10. Curved bones that form part of the structure protecting vital organs in the chest, including the heart and lungs, and also provide support and shape to the upper body.
- 12. acts as the conduit to bring air to the site of gas exchange in the alveoli