Respiratory system

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Across
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  3. 7. Dioxide: A waste gas produced by cells during metabolism that is expelled from the body through the lungs during exhalation. 15 items only, revise and give short descriptions.
  4. 8. me the terms of respiratory system with words usually encountered, give short definition
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  6. 11. Cavity: The space behind the nose that filters, warms, and humidifies the air before it enters the lungs.
  7. 12. A flap of tissue at the base of the tongue that prevents food and liquids from entering the trachea during swallowing.
  8. 15. Also known as the voice box, it is located at the top of the trachea and contains the vocal cords.
  9. 16. Searches:
  10. 20. are some common terms associated with the respiratory system along with their short definitions:
  11. 21. A gas that is essential for cellular respiration and is absorbed into the bloodstream in the lungs.
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  13. 23. The two large tubes that branch off from the trachea and lead into each lung, further dividing into smaller bronchioles.
  14. 26. Tiny hair-like structures lining the respiratory tract that help trap and move particles and mucus out of the airways.
  15. 27. The primary organs of respiration, responsible for the exchange of oxygen and carbon dioxide between the air and blood.
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Down
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  2. 2. Smaller air passages that branch off from the bronchi and lead to the alveoli.
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  4. 6. A dome-shaped muscle located below the lungs that plays a vital role in breathing by contracting and relaxing to facilitate airflow.
  5. 9. Puzzles:
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  7. 14. The windpipe that connects the larynx to the bronchi, allowing air to pass into the lungs.
  8. 17. The process of moving air in and out of the lungs, primarily controlled by the diaphragm and chest muscles.
  9. 18. Tiny air sacs in the lungs where gas exchange occurs; oxygen enters the bloodstream, and carbon dioxide is removed.
  10. 19. The double-layered membrane surrounding the lungs, providing lubrication and protection during breathing.
  11. 24. The process of inhaling oxygen and exhaling carbon dioxide; includes both external (gas exchange in the lungs) and internal (gas exchange at the cellular level) respiration.
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