Organ System Crossword Puzzle

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Across
  1. 2. an organ that is a muscle that pumps blood to all parts of your body
  2. 3. a system that is made up of glands that make hormones
  3. 6. a system that is made up of blood vessels that carry blood away from and towards the heart
  4. 7. an organ that is a pea-sized endocrine gland situated at the base of our brain
  5. 8. an organ that is the natural opening where food and air enters into the body
  6. 9. an organ that is the body's outer covering
  7. 12. an organ that is located in the skull that controls everything that you do
  8. 13. a system that reproduces all living things
  9. 14. a system that has a complex process of breaking down food that you eat into nutrients
  10. 16. an organ that muscles show no cross stripes under microscopic magnification
  11. 18. an organ that is found in a female's reproductive system
  12. 19. a system that excretes wastes from the body
  13. 20. a system that is the network of organs and tissues that help you breathe
  14. 21. a system that is your body's framework
Down
  1. 1. a system that works to keep the body's fluid levels in balance and defends the body against infections
  2. 4. a system that is composed of specialized cells called muscle fibers
  3. 5. a system that protects your body
  4. 10. an organ that is large that is located in the upper abdomen
  5. 11. an organ that is one of the hard parts of a verebrate's skeleton
  6. 12. an organ that is a soft and spongy tissue that has many blood vessels and is found in the center of most bones
  7. 15. an organ that is in the chest that supplies the body with oxygen
  8. 17. a system that is your body's command center