Body Stystem Test Review

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Across
  1. 4. Lies directly behind the nasal cavity
  2. 7. Process of breathing in air
  3. 8. A tissue that is for protecting
  4. 11. Process of breathing out air
  5. 14. Substances used to combat infection
  6. 16. Lined with mucous membrane that warms and moistens the air
  7. 17. Prevents oxygenated blood excites the heart
  8. 20. It is important in the reproduction of a cell
Down
  1. 1. They thickest skin layer in the heart
  2. 2. When liquidy fluid enters the lymphatic system it's known as...
  3. 3. Join together to form larger lymphatic vessels
  4. 5. The heart is separated into 4 parts or 4...
  5. 6. Opposite of proximal
  6. 9. Vessels in the lymphatic system pass through the
  7. 10. Cavity that consists of spinal and
  8. 12. Made out of elastic and fibrous connective tissue
  9. 13. Filters potential pathogens before entering G.I tract or lungs
  10. 15. Outermost skin layer and absorbs Vitamin D
  11. 17. A plane that separates the body into superior and inferior
  12. 18. Separates the heart into right and left side
  13. 19. Two divisions of trachea near the centre of the chest