Organ System Crossword

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Across
  1. 5. holds your brain in place
  2. 6. tells your body what to do
  3. 7. converts food into small molecules that can be used by the cells of the body
  4. 13. protects your body from germs and bacteria
  5. 14. includes the skin, lungs, and liver, excretes metabolic wastes from the body
  6. 15. remove toxin and wastes
  7. 18. serves as a barrier against infection and injury, helps to regulate body temperatures, removes waste from the body, gathers information, and produces vitamin D
  8. 19. system transports oxygen, nutrients, and other substances throughout the body, and removes wastes from tissues
  9. 20. there are three different types of each which is specialized for specific functions in the body
  10. 22. pumps your blood
Down
  1. 1. muscle where you thigh is
  2. 2. can survive without
  3. 3. help you breathe
  4. 4. made up of glands that release hormones into the blood
  5. 8. digests your food
  6. 9. picks up oxygen from the air we inhale and releases carbon dioxide into the air we exhale
  7. 10. supports the body, protects internal organs, assists movement, stores minerals, and is a site of blood formation
  8. 11. allows urine to pass through body
  9. 12. network of vessels through which lymph drains from the tissues into the blood
  10. 16. collects information about the body's internal and external environment, processes that information, and responds to it
  11. 17. is needed for us to reproduce
  12. 21. regulated blood sugar