Human Body Systems

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Across
  1. 6. hormoneproduct cell and glands regulate our activities
  2. 8. carry deoxegenated blood back to the heart
  3. 10. supports the body and protects the organs
  4. 13. supply cell with the oxygen and nutrients they need
  5. 15. skin,hair,and nials
  6. 17. when a person is frighten or anxious a hormone is released
  7. 18. controls and cordinates everything in the body
  8. 19. allows organs and bones to move in the body
Down
  1. 1. ______ are held together by tissue called ligaments
  2. 2. the liquid part of the blood
  3. 3. control center of the nervous system and the body
  4. 4. to make egg and sperm which will combine into a zygote(offspring)
  5. 5. produces bile wich disolves fat
  6. 7. air enters through the mouth and the ______
  7. 9. exchange of oxegen and carbondioxide between blood and tissue
  8. 11. converts food into simpler molecules that can be used by the body
  9. 12. carries messages ti and from the brain
  10. 14. excretes excess water and saltin the form of sweat
  11. 16. removes waste from the body
  12. 20. makes the beat of the heart