Circulatory System

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Across
  1. 3. small pathways that connect arteries to veins
  2. 4. this type of blood cell fights off infection and is the largest
  3. 5. this animal has what is known as a second heart or a frog
  4. 6. pumps blood to the other chambers
  5. 8. mammals and these animals have a double loop 4 chamber system
  6. 12. this is also removed from the bloodstream
  7. 13. has a yellowish tint and liquid part of blood
  8. 14. the heart is this type of muscle
  9. 15. this type of blood cell is medium in size and carries the oxygen
  10. 16. animals that have double loop 3 chamber heart
  11. 17. lead the flow of blood through the body
Down
  1. 1. these help the blood to clot
  2. 2. animal that has single loop 2 chamber heart
  3. 5. most livestock animals will have the same circulatory system as these
  4. 6. pathway of oxygenated from the heart to the body
  5. 7. pathway of oxygenated blood to the heart
  6. 8. transports cells just like a bus transports people
  7. 9. pumps blood out of heart to rest of body
  8. 10. flaps that prevent the backflow of blood
  9. 11. organ that controls the flow of blood