Human Body Systems

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Across
  1. 4. the organ that pumps the blood through the circulatory system
  2. 7. it makes you think :O
  3. 8. made up of glands that make hormones
  4. 9. the most basic unit of structure
  5. 10. ______ stones
  6. 11. the system that helps you breathe
  7. 13. BONES
  8. 16. the internal organ in which the major part of the digestion of food occurs
  9. 17. all the organ systems joined together
  10. 19. contains the brain and spinal cord
  11. 21. when multiple alike tissue join together
  12. 22. the part of the body that most people breathe through
Down
  1. 1. your mouth, stomach, small intestine, large intestine, etc
  2. 2. without this system you would not be able to move at all
  3. 3. multiple organs formed together to perform a specific function
  4. 4. fine threadlike strands growing from the skin of humans
  5. 5. the part of the body that lets you hear
  6. 6. the organ that supplies the body with oxygen and removes carbon dioxide from the body
  7. 9. made up of blood vessels that carry blood away from and towards the heart
  8. 12. hair, skin, and nails
  9. 14. The systems that excrete wastes from the body
  10. 15. when multiple alike cells join together
  11. 16. the largest external organ
  12. 18. the part of the body that lets you eat
  13. 20. the part of the body that you see through