Columns:
Rows:

Respiratory System Word Search Puzzle

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Flap 1 Flap 2
tube that air travels through to get to the lungs  trachea  
the trachea breaks into two smaller tubes called  bronchi  
the bronchi lead to small air sacks called  alveoli  
What surrounds the alveoli so it can take the oxygen from the alveoli to the heart?  capillaries  
What do the capillaries drop off in the alveoli so it can be breathed out of the body?  carbon dioxide  
Where do the capillaries send the oxygen rich blood?  heart  
Where does the heart send the oxygen rich blood?  body  
Which blood vessels carry oxygen rich blood away from the heart?  arteries  
Which blood vessels carry oxygen poor blood back to the lungs to be breathed out?  veins