Science 9 - Section 9.1 Crossword

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Across 4. collect where walls of blood vessels are damaged. Release chemicals that help form clots 7. dissolved glucose in the blood provides ___ 9. blood, blood vessels and your heart make up your ___ system 10. tubes which carry blood are called blood ___ 13. a protein which grabs oxygen in the lungs and lets go of it in the cells 14. a mineral necessary for production of hemoglobin 15. a condition in which the blood lacks an important clotting protein 17. Your body has roughly 60 __ cells 19. the ___ system fights disease in the body 20. plasma is about 92% __ 21. processes in the body are directed by proteins called ___ 22. red blood cells are broken down in your __ and the iron is recycled 23. the liquid portion of the blood 24. proteins which try to recognize and destroy foreign matter

Down 1. red blood cells are shaped like a ___ 2. a substance dissolved in blood which controls breathing rate (2 words joined) 3. __ blood cells carry oxygen 5. red blood cells are manufactured inside your ___ 6. hemoglobin from old red blood cells ends up in the __ which is used to help digest fats 8. amino acids in the blood are used to build ___ 11. an organ where some white blood cells are produced 12. a typical red blood cell lives for about 4 ___ 16. cancer of tissue that produces white blood cells 18. white blood cells increase if your body is fighting an ___ 20. ___ blood cells are part of the immune system