Respiratory System

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Across
  1. 1. The tube that connects the mouth to the Bronchioles.
  2. 3. Small balloon-like sacs attached to the end of the bronchial passages.
  3. 6. Two tubes that branch off the Trachea and carry air directly into the lungs.
  4. 7. As you inhale this organ moistens and warms the air. It also allows you to smell.
Down
  1. 2. Carry away oxygenated blood from the alveoli.
  2. 4. The main organ in the Respiratory System.
  3. 5. Oral cavity that is the secondary opening for air to enter the trachea.