1. 血管   veins   lung   throat   skull   Hint Half-n-half Clue   2. 歯茎   intestines   blood   gums   lung   Half-n-half Clue   3. 胃腸   muscle   gums   spine   intestines   Half-n-half Clue   4. 肝臓   kidney   brain   nerves   liver   Half-n-half Clue   5. 心臓   stomach   bone   heart   kidney   Half-n-half Clue   6. 腎臓   kidney   blood   spine   skull   Half-n-half Clue   7. 筋、肉   lung   stomach   brain   muscle   Half-n-half Clue