Circulatory and Respiratory System Vocabulary

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Across
  1. 2. A large blood vessel that carries blood away from the heart to the tissues of the body
  2. 3. blood cell containing hemoglobin that carries oxygen
  3. 4. tiny air sac at the end of a bronchiole in the lungs that provides surface area for gas exchange to occur
  4. 6. one of two large tubes in the chest cavity that leads from the trachea to the lungs
  5. 9. Lower chamber of the heart that pumps blood out of the heart to the rest of the body
  6. 13. relating to the lungs
  7. 15. fluid that is filtered out of the blood
  8. 17. condition in which fatty deposits called plaque build up on the inner walls of the arteries
  9. 19. straw-colored liquid portion of the blood
Down
  1. 1. type of blood cell that guards against infection, fights parasites, and attacks bacteria
  2. 5. A blood vessel that carries blood from the body back to the heart
  3. 7. smallest blood vessel; brings nutrients and oxygen to the tissues and absorbs carbon dioxide and waste products
  4. 8. Large, flat muscle at the bottom of the chest cavity that helps with breathing
  5. 10. tube that connects the larynx to the bronchi; also called the windpipe
  6. 11. cell fragment released by bone marrow that helps in blood clotting
  7. 12. tube at the back of the mouth that serves as a passageway for both air and food; also called the throat
  8. 14. upper chamber of the heart that receives blood from the rest of the body
  9. 16. Thick middle muscle layer of the heart
  10. 18. structure in the throat containing the vocal cords