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