Organisation, Infection and Response Revision Crossword

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Across
  1. 2. which blood vessel connects the veins to the arteries?
  2. 4. What is this the definition for 'a group of cells working together to carry out a particular job'?
  3. 7. What are the two lower chambers of the heart called?
  4. 9. What do our white blood cells produce to protect us from infection?
  5. 11. What are the two upper chambers of the heart called?
  6. 12. What is this the definition for 'a micro organism which causes disease'?
  7. 14. Name the cell in the blood that carries oxygen
  8. 15. What is this the definition for 'a group of tissues working together to carry out a particular function'?
Down
  1. 1. Name the cell in the blood that protects us from infection
  2. 3. Which blood vessel carries blood back to the heart?
  3. 5. What is inside of a vaccine?
  4. 6. Name the yellow liquid in the blood
  5. 8. How many chambers do we have in our heart?
  6. 10. Which blood vessel carries blood away from the heart?
  7. 13. What is this the definition for 'all living thing'?