Circulatory/Respiratory Vocab

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Across
  1. 3. Blood Cell Small cell in the blood that picks up oxygen in the lungs and transports it throughout the body
  2. 5. A muscular organ that pumps blood throughout the body
  3. 7. thin-walled microscopic air sacs that exchange gases
  4. 8. System The body system that transports products from the digestive and respiratory systems to the cells
  5. 12. Vessel that carries blood back to the heart
  6. 13. iron containing protein in red blood cells, carries oxygen for cells
  7. 14. a flap of tissue that covers the trachea when you swallow
  8. 16. Very narrow blood vessel that connects arteries to veins
  9. 17. exchange deoxygenated red blood cells get oxygen while passing through the lungs
Down
  1. 1. tube that leads from the larynx into the bronchi, also called the windpipe
  2. 2. the passageway in the back of the throat for air and food
  3. 4. muscle at the bottom of the chest cavity, helps with breathing
  4. 6. passages that branch from the trachea, direct air into the lungs
  5. 9. Vessel that takes blood away from the heart
  6. 10. A liquid that moves materials and wastes continuously through the body
  7. 11. branches leading off from the bronchi, get progressively smaller
  8. 15. the structure in the throat containing the vocal cords, also called the voicebox