The Human Body System

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Across
  1. 4. cushions bones from impact
  2. 6. a special white blood cell that "eats" harmful
  3. 11. windpipe
  4. 13. regulates amount of of sugar in the bloodstream
  5. 17. connects muscles to bones
  6. 19. long tube that is part of the digestive system. There is a large one and a small one.
  7. 23. tiny veins that pick up oxygen
  8. 24. your heart beating is an example of an ___________ muscle
  9. 25. where your sense of smell is is transmitted to the brain
  10. 26. these blood cells fight infection
  11. 27. taste buds
  12. 28. this system releases hormones into the bloodstream
  13. 29. return "dirty" blood back to the heart
  14. 31. the middle layer of skin where nerves and blood vessels are found
  15. 32. the colored part of your eye
Down
  1. 1. tiny bones in your ear
  2. 2. this gland controls growth and reproduction
  3. 3. the clear covering of eye that lets light pass through to the lens
  4. 5. what connects one bone to another bone
  5. 7. tubes that go to each lung
  6. 8. opening to the nose
  7. 9. the liquid that helps moisten your mouth
  8. 10. nerve in the eye that transmits signals to brain
  9. 12. the outer layer of skin
  10. 14. turns images into nerve signals
  11. 15. coverts vibrations from sound waves into nerve signals
  12. 16. "juices" in your stomach
  13. 18. long tube that goes to your stomach
  14. 20. the muscle for breathing
  15. 21. air sacks located in the lungs
  16. 22. take oxygenated blood away from the heart.
  17. 27. the hole in your eye that lets in light
  18. 30. electrical pathways that take information to the brain