Organ Systems Crossword Puzzle

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Across
  1. 4. carries oxygen and nutrients to cells; heart, veins
  2. 6. consists of heart, blood, and blood vessels; heart
  3. 10. a system that sends messages back and forth; brain, spinal cord
  4. 11. structures that enable an organ to reproduce; epididymis, uterus
  5. 12. removes waste from blood in the form of urine; bladder
  6. 14. includes the epidermis, dermis, nails, hair, skin
  7. 15. a system that consists of bones and connective tissue; ligaments
Down
  1. 1. keeps a healthy balance of fluid; bone marrow, thymus
  2. 2. brings movement to an organ or body part; heart, blood vessels
  3. 3. includes muscle, bone, tendons, and soft tissue
  4. 5. removes waste and toxins from the body; kidney, liver
  5. 7. complex of organs and tissues that help you breathe; lungs, nose
  6. 8. defends the body against infection; spleen, tonsils
  7. 9. helps the body break up and absorb food; stomach, liver
  8. 13. uses hormones to control and coordinate growth; thyroid, adrenals