The Respiratory System

123456
Across
  1. 2. Two passageways that branch from the Trachea.(There are one in each lung.)
  2. 6. The organs that supply your blood with oxygen.
Down
  1. 1. located below the lungs is the major muscle of respiration. It is a large dome-shaped
  2. 2. The process of taking air into and expelling it from the lungs.
  3. 3. Two large organs that exchange oxygen and carbon dioxide.
  4. 4. the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals. (The voice box.)
  5. 5. The passageway in your throat that alters air in and out of the lungs.