Blood donation

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Across
  1. 3. Defenders against infection
  2. 5. Blood vessels carrying blood to the heart
  3. 7. Blood component that helps in clotting
  4. 10. Opposite of +ve
  5. 11. Carrier of oxygen in blood
  6. 12. One who gives blood
  7. 13. Vital fluid in the body
  8. 15. A, B, O, or AB,
  9. 17. Not solid or gas
Down
  1. 1. Maintaining fluid balance
  2. 2. How do you know if your cold or hot?
  3. 4. Place for blood donations
  4. 6. One who is a hero/rescuer
  5. 8. Medical professional(or)eating an apple makes someone go away
  6. 9. Color of our blood
  7. 14. One of the Rh factors
  8. 16. The liquid part of blood