RESPIRATORY SYSTEM

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Across
  1. 1. Also known as Trachea.
  2. 5. Muscle located under the lungs. Moves air in and out of the lungs.
  3. 6. Where vocal cords are. Also called the voice box.
  4. 7. Tube that connects the larynx to the bronchi of the lungs.
  5. 9. the paired organs in the thoracic cavity where gas exchange takes place between air in the alveoli and blood in the pulmonary capillaries.
  6. 10. The most important gas that we inhale when we breathe.
  7. 11. Tiny hair-like cells that sweep out foreign material in lungs.
Down
  1. 2. The throat; part of both the respiratory and digestive systems.
  2. 3. Covers the trachea when you swallow to prevent food from going into your lungs.
  3. 4. The passages that branch from the trachea and direct air into the lungs.
  4. 8. Tiny air sacs found at the end of bronchial tubes where the exchange of oxygen and carbon dioxide takes place.