Cells and Body systems

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Across
  1. 1. large artery carrying blood from the left ventricle to the bod
  2. 4. substance created by the body to carry out chemical digestion
  3. 5. removal of waste products from the blood using a machine that functions as a kidney
  4. 7. supports and connects different parts of the body
  5. 11. made of more than one cell
  6. 12. type of connective tissue found in the bones that produces red blood cells
  7. 13. organelle that directs all the activities in a cell
  8. 14. nerve that leads from the retina to the brain
  9. 17. organisms reaction to a stimulus
  10. 18. allows movement
  11. 21. upper chambers of the heart that receive blood from the body and lungs
  12. 22. two main branches of the trachea that lead to into the lungs
  13. 23. the basic unit of life
  14. 24. respond
Down
  1. 2. group of tissues that work together to perform a specific function
  2. 3. small branches of a neuron that recieve information from neighbouring cells
  3. 6. moves bones
  4. 8. organelles that convert sunlight into food
  5. 9. allows movement
  6. 10. group of organs working together to perform a certain task, such as digestion or breathing
  7. 12. type of microscopic organisms
  8. 14. living things
  9. 15. hair like extentions that protude from the surface of some unicellular organisms and from some cells in multicellular organisms
  10. 16. waste removal
  11. 19. outer covering of a cell that provides strength and support
  12. 20. group of similar cells working together to perform a specific function