1. 脑子   brain   bone   veins   muscle   Hint Half-n-half Clue   2. 头骨   gums   brain   intestines   skull   Half-n-half Clue   3. 心脏   nerves   muscle   stomach   heart   Half-n-half Clue   4. 胶   kidney   gums   heart   nerves   Half-n-half Clue   5. 静脉   blood   lung   spine   veins   Half-n-half Clue   6. 脊椎   skull   stomach   spine   veins   Half-n-half Clue   7. 肝脏   liver   muscle   lung   brain   Half-n-half Clue