Body Systems (part 1)

123456789101112131415161718192021222324252627282930
Across
  1. 3. this muscle is found only in the walls of the heart
  2. 7. a bone that protects the brain
  3. 8. the largest artery in the body
  4. 10. a keratin protein that protects the tips of your fingers and toes
  5. 12. also known as the windpipe
  6. 16. how many chambers are in the heart
  7. 18. these muscles bend parts of your body
  8. 20. this system consists of the skin, hair, nails, and sweat glands
  9. 21. is stored in your bones for use in the body
  10. 22. found all over the body to control body temperature
  11. 25. a muscular pump that allows blood to move
  12. 26. a keratin protein found on the head, face, arms, and legs that provides insulation
  13. 27. the main passageways into the lungs
  14. 28. are found attached to the bones and allow for movement
  15. 30. the primary organ of the respiratory system
Down
  1. 1. small, thin blood vessels that are found throughout the body
  2. 2. connect skeletal muscles to bone
  3. 4. blood vessels that transport oxygen rich blood away from the heart
  4. 5. this organ has smooth muscle that helps contract to squeeze food
  5. 6. these are blood vessels that transport all over the body
  6. 8. tiny sacs in the lungs that allow movement of oxygen and carbon dioxide
  7. 9. is found inside the larger bones and produces red/white blood cells
  8. 11. this system provides bony protection to your internal organs
  9. 13. this system is responsible for transporting blood in the body
  10. 14. this type of muscle is found on the walls of your internal organs
  11. 15. the main external opening to breath
  12. 17. skeletal muscles are described this way because your brain chooses to control them
  13. 18. these form when there is a build up of melanin in the skin
  14. 19. the 2nd layer of skin where hair follicles are found
  15. 23. where skin is the thinnest on the body
  16. 24. muscle that expands and contracts to move air in and out of lungs
  17. 26. caused by spasms of the diaphragm
  18. 29. these muscles straighten parts of your body