Mrs. Drain Science Project Crossword Puzzle

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Across
  1. 4. a type of joint that functions like allowing bones to move in one direction back and forth
  2. 6. A body of bones going through your back
  3. 8. On a humans head
  4. 10. All the bones in a human body made up of,ligaments, tendons, and joints
Down
  1. 1. an action that is performed as a response to a stimulus and without conscious thought
  2. 2. Outer layer covering humans
  3. 3. a thing or event that evokes a specific functional reaction in an organ or tissue
  4. 5. An organ which produces and releases substances that perform a specific function
  5. 7. On a finger
  6. 9. Controls thoughts, emotions, memory, ect