7 Science Circulatory/Respiratory Systems

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Across
  1. 3. material that can build up on blood vessel walls that narrows and hardens them
  2. 5. vessels that carry oxygen rich blood away from the heart
  3. 6. parts of the blood that help form plugs to reduce blood flow at a broken vessel
  4. 10. fluid that carries gases, nutrients and wastes throughout the body
  5. 11. muscle below the lungs that controls inhalation and exhalation
  6. 12. the pump that sends blood around the body
  7. 14. lymph ______ remove pathogens and dead cells from lymph and contain white blood cells
  8. 16. these blood cells fight pathogens such as bacteria and viruses
  9. 17. __________ system collects fluid leaked from blood and helps fight disease
  10. 19. abnormally high blood pressure
  11. 20. vessels that carry blood back to the heart
Down
  1. 1. the tiniest blood vessels
  2. 2. tiny air sacs in lungs where gas exchange occurs
  3. 4. the number of chambers in a human heart
  4. 7. condition where the bronchi are inflamed causing constriction
  5. 8. a medical reading doctors use to check for problems in the heart
  6. 9. occurs when a blood vessel in the brain is blocked or bursts
  7. 13. breathing
  8. 15. these blood cells carry oxygen to every cell in the body
  9. 17. the vocal cords in your throat
  10. 18. the largest organ in the lymphatic system