Transport in Humans

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Across
  1. 2. Release antibodies to bind to antigens
  2. 4. Neutralise the toxins from pathogens
  3. 7. Top two chambers of the heart
  4. 8. Ingest bacteria and contain a lobed nucleus
  5. 10. Unicellular organism that reproduce in your body and release toxins
  6. 14. Aids with blood clotting to forms clots and scabs
  7. 16. Prevents the backwards flow of blood
  8. 17. Carry oxygenated blood away from the heart
Down
  1. 1. Carry oxygenated blood towards the heart
  2. 3. Infectious pathogen surrounded by a protein coat
  3. 5. A substance which provides immunity against diseases
  4. 6. Liquid that carries all cells and dissolved substances
  5. 9. Long-lived immune cell which provides faster responses to foreign particles
  6. 11. Cause clumping of bacteria and neuralise
  7. 12. Smallest type of blood vessel
  8. 13. A red protein responsible for transporting oxygen in the blood
  9. 15. Bottom two chambers of the heart