Janice Jang Crossword Review

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Across
  1. 2. ____ make sure that blood doesn't flow backwards
  2. 5. the blood leaves the heart through the ______
  3. 7. separates the right and left chambers
  4. 8. joints that are freely moveable
  5. 10. outside layer of the heart
  6. 13. hollow tube where hair roots are
  7. 16. circular movement of a muscle
  8. 18. the skeletal system is separated into appendicular and ___
  9. 20. another term for oil gland
  10. 27. lymph enters the right lymphatic duct or ____ duct
  11. 28. y-shaped proteins that attach to antigens on pathogens
  12. 29. stage of respiration involving the bloodstream and cells
  13. 33. layer of skin where new cells are made
  14. 35. leaflike structure closing the opening into the larynx
Down
  1. 1. lymph first enters through the lymphatic _____
  2. 3. body plane that separates into superior and inferior
  3. 4. lymph leaves the ducts through the _____ veins
  4. 6. the outside layer of the skin
  5. 9. bones that line the spinal cord down the back are called
  6. 11. turning the toes up toward the body
  7. 12. structure that filters the air that is breathed in
  8. 14. the respiratory system exchanges carbon dioxide and _____
  9. 15. the process of breathing involves inhalation and ____
  10. 17. cells that contain melanin and give skin color
  11. 19. bones are connected to others by ______
  12. 21. ability of a muscle to respond to stimuli such as nerve impulses
  13. 22. muscle shrinking or wasting away is called ____
  14. 23. the circulatory system uses ____ to circulate oxygen
  15. 24. the long part or shaft of long bones
  16. 25. body plane that separates into anterior and posterior
  17. 26. the lymphatic system works to prevent _____
  18. 30. there are four _____ quadrants of the body
  19. 31. muscles in the heart are called ____ muscle
  20. 32. groups of cells make up
  21. 34. groups of organs make up