Circulatory Body Systems

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Across
  1. 5. breaks down food into a usable form
  2. 7. large blood vessel that takes blood away from the heart
  3. 11. takes blood from the right ventricle to the lungs
  4. 12. small blood vessels one cell thick where nutrients and gases pass from the blood into the cells
  5. 13. Large blood vessels that take blood to the heart
  6. 14. Protects the body from infection
  7. 15. separate various parts of the heart and open and close to prevent backflow of blood
Down
  1. 1. group of organs with a similar function
  2. 2. Large Vein that takes oxygen poor blood from the lower part of the body and dumps it into the right Atrium
  3. 3. large organ that pumps blood throughout the body
  4. 4. Where oxygen and carbon dioxide are transferred from the blood to the lungs
  5. 6. two lower chambers that pump blood out of the heart
  6. 8. made up of bones and cartilage; provided support and protection
  7. 9. two upper chambers of the heart that receive blood
  8. 10. Large vein that takes oxygen poor blood from the upper body and dumps it into the right Atrium