Thursday Crossword Puzzle 12/15/22

123456
Across
  1. 2. your windpipe, an air passageway
  2. 4. body system that allows us to breathe
  3. 5. one of the main gases that make up air
  4. 6. your voicebox
Down
  1. 1. a waste product gas in the body
  2. 2. a tube that goes to the stomach
  3. 3. airways that let air in and out of the lungs organs that supply oxygen and remove carbon dioxide