respitory,circulatory,and skeletal systems

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Across
  1. 1. A rigid, cartilage-lined tube that channels air from the larynx into the lungs.
  2. 3. Humidifies inhaled air as it enters the body.
  3. 5. Thick wall blood vessels
  4. 6. The primary organs where oxygen enters the bloodstream and carbon dioxide is expelled.
Down
  1. 1. Acts as a pathway for both air and food, directing air toward the larynx.
  2. 2. Pumps blood all throughout your body and is super important
  3. 4. Contains the vocal cords and uses the epiglottis to prevent food from entering the windpipe.